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Finding the Fourth Proportional to 97,148.90, 134,068.08 and 54,708.92

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Solution

The fourth proportional to 97,148.90, 134,068.08 and 54,708.92 is: 75,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,148.90 : 134,068.08 = 54,708.92 : x
  2. Step 2: Convert to fraction form
    97,148.90/134,068.08 = 54,708.92/x
  3. Step 3: Cross multiply
    97,148.90x = 134,068.08 × 54,708.92
  4. Step 4: Simplify right side
    97,148.90x = 7,334,719,863.27
  5. Step 5: Solve for x
    x = 7,334,719,863.27/97,148.90
  6. Step 6: Final answer
    x = 75,499.77

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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.