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Finding the Fourth Proportional to 97,281.64, 134,248.72 and 52,569.64

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Solution

The fourth proportional to 97,281.64, 134,248.72 and 52,569.64 is: 72,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,281.64 : 134,248.72 = 52,569.64 : x
  2. Step 2: Convert to fraction form
    97,281.64/134,248.72 = 52,569.64/x
  3. Step 3: Cross multiply
    97,281.64x = 134,248.72 × 52,569.64
  4. Step 4: Simplify right side
    97,281.64x = 7,057,406,880.86
  5. Step 5: Solve for x
    x = 7,057,406,880.86/97,281.64
  6. Step 6: Final answer
    x = 72,546.13

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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.