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Finding the Fourth Proportional to 170,737.60, 235,507.92 and 103,669.60

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Solution

The fourth proportional to 170,737.60, 235,507.92 and 103,669.60 is: 142,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,737.60 : 235,507.92 = 103,669.60 : x
  2. Step 2: Convert to fraction form
    170,737.60/235,507.92 = 103,669.60/x
  3. Step 3: Cross multiply
    170,737.60x = 235,507.92 × 103,669.60
  4. Step 4: Simplify right side
    170,737.60x = 24,415,011,863.23
  5. Step 5: Solve for x
    x = 24,415,011,863.23/170,737.60
  6. Step 6: Final answer
    x = 142,997.28

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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.