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Finding the Fourth Proportional to 90,167.84, 124,392.50 and 54,337.49

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Solution

The fourth proportional to 90,167.84, 124,392.50 and 54,337.49 is: 74,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,167.84 : 124,392.50 = 54,337.49 : x
  2. Step 2: Convert to fraction form
    90,167.84/124,392.50 = 54,337.49/x
  3. Step 3: Cross multiply
    90,167.84x = 124,392.50 × 54,337.49
  4. Step 4: Simplify right side
    90,167.84x = 6,759,176,049.69
  5. Step 5: Solve for x
    x = 6,759,176,049.69/90,167.84
  6. Step 6: Final answer
    x = 74,962.16

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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.