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Finding the Fourth Proportional to 92,918.01, 128,217.96 and 52,624.02

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Solution

The fourth proportional to 92,918.01, 128,217.96 and 52,624.02 is: 72,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918.01 : 128,217.96 = 52,624.02 : x
  2. Step 2: Convert to fraction form
    92,918.01/128,217.96 = 52,624.02/x
  3. Step 3: Cross multiply
    92,918.01x = 128,217.96 × 52,624.02
  4. Step 4: Simplify right side
    92,918.01x = 6,747,344,491.40
  5. Step 5: Solve for x
    x = 6,747,344,491.40/92,918.01
  6. Step 6: Final answer
    x = 72,616.11

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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.