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Finding the Fourth Proportional to 124,513.53, 171,824.90 and 70,068.74

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Solution

The fourth proportional to 124,513.53, 171,824.90 and 70,068.74 is: 96,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,513.53 : 171,824.90 = 70,068.74 : x
  2. Step 2: Convert to fraction form
    124,513.53/171,824.90 = 70,068.74/x
  3. Step 3: Cross multiply
    124,513.53x = 171,824.90 × 70,068.74
  4. Step 4: Simplify right side
    124,513.53x = 12,039,553,034.16
  5. Step 5: Solve for x
    x = 12,039,553,034.16/124,513.53
  6. Step 6: Final answer
    x = 96,692.73

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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.