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Finding the Fourth Proportional to 103,572.71, 155,359.08 and 32,506.32

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Solution

The fourth proportional to 103,572.71, 155,359.08 and 32,506.32 is: 48,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,572.71 : 155,359.08 = 32,506.32 : x
  2. Step 2: Convert to fraction form
    103,572.71/155,359.08 = 32,506.32/x
  3. Step 3: Cross multiply
    103,572.71x = 155,359.08 × 32,506.32
  4. Step 4: Simplify right side
    103,572.71x = 5,050,151,969.39
  5. Step 5: Solve for x
    x = 5,050,151,969.39/103,572.71
  6. Step 6: Final answer
    x = 48,759.48

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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.