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Finding the Fourth Proportional to 107,929.60, 161,894.40 and 88,230.40

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Solution

The fourth proportional to 107,929.60, 161,894.40 and 88,230.40 is: 132,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,929.60 : 161,894.40 = 88,230.40 : x
  2. Step 2: Convert to fraction form
    107,929.60/161,894.40 = 88,230.40/x
  3. Step 3: Cross multiply
    107,929.60x = 161,894.40 × 88,230.40
  4. Step 4: Simplify right side
    107,929.60x = 14,284,007,669.76
  5. Step 5: Solve for x
    x = 14,284,007,669.76/107,929.60
  6. Step 6: Final answer
    x = 132,345.60

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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.