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Finding the Fourth Proportional to 107,341.60, 160,948.40 and 65,818.40

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Solution

The fourth proportional to 107,341.60, 160,948.40 and 65,818.40 is: 98,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,341.60 : 160,948.40 = 65,818.40 : x
  2. Step 2: Convert to fraction form
    107,341.60/160,948.40 = 65,818.40/x
  3. Step 3: Cross multiply
    107,341.60x = 160,948.40 × 65,818.40
  4. Step 4: Simplify right side
    107,341.60x = 10,593,366,170.56
  5. Step 5: Solve for x
    x = 10,593,366,170.56/107,341.60
  6. Step 6: Final answer
    x = 98,688.36

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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.