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Finding the Fourth Proportional to 98,265.60, 135,590.40 and 60,537.60

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Solution

The fourth proportional to 98,265.60, 135,590.40 and 60,537.60 is: 83,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,265.60 : 135,590.40 = 60,537.60 : x
  2. Step 2: Convert to fraction form
    98,265.60/135,590.40 = 60,537.60/x
  3. Step 3: Cross multiply
    98,265.60x = 135,590.40 × 60,537.60
  4. Step 4: Simplify right side
    98,265.60x = 8,208,317,399.04
  5. Step 5: Solve for x
    x = 8,208,317,399.04/98,265.60
  6. Step 6: Final answer
    x = 83,531.95

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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.