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Finding the Fourth Proportional to 124,713.60, 187,070.40 and 65,567.40

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Solution

The fourth proportional to 124,713.60, 187,070.40 and 65,567.40 is: 98,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,713.60 : 187,070.40 = 65,567.40 : x
  2. Step 2: Convert to fraction form
    124,713.60/187,070.40 = 65,567.40/x
  3. Step 3: Cross multiply
    124,713.60x = 187,070.40 × 65,567.40
  4. Step 4: Simplify right side
    124,713.60x = 12,265,719,744.96
  5. Step 5: Solve for x
    x = 12,265,719,744.96/124,713.60
  6. Step 6: Final answer
    x = 98,351.10

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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.