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Finding the Fourth Proportional to 103,410.62, 142,684.51 and 60,370.56

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Solution

The fourth proportional to 103,410.62, 142,684.51 and 60,370.56 is: 83,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,410.62 : 142,684.51 = 60,370.56 : x
  2. Step 2: Convert to fraction form
    103,410.62/142,684.51 = 60,370.56/x
  3. Step 3: Cross multiply
    103,410.62x = 142,684.51 × 60,370.56
  4. Step 4: Simplify right side
    103,410.62x = 8,613,943,621.10
  5. Step 5: Solve for x
    x = 8,613,943,621.10/103,410.62
  6. Step 6: Final answer
    x = 83,298.45

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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.