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Finding the Fourth Proportional to 153,615.07, 230,461.49 and 42,807.07

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Solution

The fourth proportional to 153,615.07, 230,461.49 and 42,807.07 is: 64,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,615.07 : 230,461.49 = 42,807.07 : x
  2. Step 2: Convert to fraction form
    153,615.07/230,461.49 = 42,807.07/x
  3. Step 3: Cross multiply
    153,615.07x = 230,461.49 × 42,807.07
  4. Step 4: Simplify right side
    153,615.07x = 9,865,381,134.73
  5. Step 5: Solve for x
    x = 9,865,381,134.73/153,615.07
  6. Step 6: Final answer
    x = 64,221.44

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1.5x scale

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.