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Finding the Fourth Proportional to 201,708.30, 302,562.45 and 127,058.70

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Solution

The fourth proportional to 201,708.30, 302,562.45 and 127,058.70 is: 190,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,708.30 : 302,562.45 = 127,058.70 : x
  2. Step 2: Convert to fraction form
    201,708.30/302,562.45 = 127,058.70/x
  3. Step 3: Cross multiply
    201,708.30x = 302,562.45 × 127,058.70
  4. Step 4: Simplify right side
    201,708.30x = 38,443,191,565.82
  5. Step 5: Solve for x
    x = 38,443,191,565.82/201,708.30
  6. Step 6: Final answer
    x = 190,588.05

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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.