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Finding the Fourth Proportional to 357,088.52, 535,256.19 and 117,139.76

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Solution

The fourth proportional to 357,088.52, 535,256.19 and 117,139.76 is: 175,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,088.52 : 535,256.19 = 117,139.76 : x
  2. Step 2: Convert to fraction form
    357,088.52/535,256.19 = 117,139.76/x
  3. Step 3: Cross multiply
    357,088.52x = 535,256.19 × 117,139.76
  4. Step 4: Simplify right side
    357,088.52x = 62,699,781,635.11
  5. Step 5: Solve for x
    x = 62,699,781,635.11/357,088.52
  6. Step 6: Final answer
    x = 175,586.10

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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.