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Finding the Fourth Proportional to 103,532.60, 155,151.30 and 59,065.40

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Solution

The fourth proportional to 103,532.60, 155,151.30 and 59,065.40 is: 88,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,532.60 : 155,151.30 = 59,065.40 : x
  2. Step 2: Convert to fraction form
    103,532.60/155,151.30 = 59,065.40/x
  3. Step 3: Cross multiply
    103,532.60x = 155,151.30 × 59,065.40
  4. Step 4: Simplify right side
    103,532.60x = 9,164,073,595.02
  5. Step 5: Solve for x
    x = 9,164,073,595.02/103,532.60
  6. Step 6: Final answer
    x = 88,513.89

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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.