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Finding the Fourth Proportional to 97,240, 134,191.32 and 52,528

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Solution

The fourth proportional to 97,240, 134,191.32 and 52,528 is: 72,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,240 : 134,191.32 = 52,528 : x
  2. Step 2: Convert to fraction form
    97,240/134,191.32 = 52,528/x
  3. Step 3: Cross multiply
    97,240x = 134,191.32 × 52,528
  4. Step 4: Simplify right side
    97,240x = 7,048,801,656.96
  5. Step 5: Solve for x
    x = 7,048,801,656.96/97,240
  6. Step 6: Final answer
    x = 72,488.70

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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.