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Finding the Fourth Proportional to 186,758.55, 257,726.50 and 101,875.61

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Solution

The fourth proportional to 186,758.55, 257,726.50 and 101,875.61 is: 140,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,758.55 : 257,726.50 = 101,875.61 : x
  2. Step 2: Convert to fraction form
    186,758.55/257,726.50 = 101,875.61/x
  3. Step 3: Cross multiply
    186,758.55x = 257,726.50 × 101,875.61
  4. Step 4: Simplify right side
    186,758.55x = 26,256,044,400.67
  5. Step 5: Solve for x
    x = 26,256,044,400.67/186,758.55
  6. Step 6: Final answer
    x = 140,588.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.