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Finding the Fourth Proportional to 98,667.60, 148,001.40 and 56,531.40

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Solution

The fourth proportional to 98,667.60, 148,001.40 and 56,531.40 is: 84,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,667.60 : 148,001.40 = 56,531.40 : x
  2. Step 2: Convert to fraction form
    98,667.60/148,001.40 = 56,531.40/x
  3. Step 3: Cross multiply
    98,667.60x = 148,001.40 × 56,531.40
  4. Step 4: Simplify right side
    98,667.60x = 8,366,726,343.96
  5. Step 5: Solve for x
    x = 8,366,726,343.96/98,667.60
  6. Step 6: Final answer
    x = 84,797.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.