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Finding the Fourth Proportional to 97,145.60, 134,073.60 and 54,712.32

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Solution

The fourth proportional to 97,145.60, 134,073.60 and 54,712.32 is: 75,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,145.60 : 134,073.60 = 54,712.32 : x
  2. Step 2: Convert to fraction form
    97,145.60/134,073.60 = 54,712.32/x
  3. Step 3: Cross multiply
    97,145.60x = 134,073.60 × 54,712.32
  4. Step 4: Simplify right side
    97,145.60x = 7,335,477,706.75
  5. Step 5: Solve for x
    x = 7,335,477,706.75/97,145.60
  6. Step 6: Final answer
    x = 75,510.14

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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.