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Finding the Fourth Proportional to 160,374.60, 240,561.90 and 135,005.40

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Solution

The fourth proportional to 160,374.60, 240,561.90 and 135,005.40 is: 202,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,374.60 : 240,561.90 = 135,005.40 : x
  2. Step 2: Convert to fraction form
    160,374.60/240,561.90 = 135,005.40/x
  3. Step 3: Cross multiply
    160,374.60x = 240,561.90 × 135,005.40
  4. Step 4: Simplify right side
    160,374.60x = 32,477,155,534.26
  5. Step 5: Solve for x
    x = 32,477,155,534.26/160,374.60
  6. Step 6: Final answer
    x = 202,508.10

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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.