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Finding the Fourth Proportional to 201,473,476.80, 302,210,215.20 and 157,635,499.20

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Solution

The fourth proportional to 201,473,476.80, 302,210,215.20 and 157,635,499.20 is: 236,453,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,473,476.80 : 302,210,215.20 = 157,635,499.20 : x
  2. Step 2: Convert to fraction form
    201,473,476.80/302,210,215.20 = 157,635,499.20/x
  3. Step 3: Cross multiply
    201,473,476.80x = 302,210,215.20 × 157,635,499.20
  4. Step 4: Simplify right side
    201,473,476.80x = 47,639,058,136,391,424
  5. Step 5: Solve for x
    x = 47,639,058,136,391,424/201,473,476.80
  6. Step 6: Final answer
    x = 236,453,248.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.