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Finding the Fourth Proportional to 110,766.60, 152,857.08 and 60,465.60

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Solution

The fourth proportional to 110,766.60, 152,857.08 and 60,465.60 is: 83,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,766.60 : 152,857.08 = 60,465.60 : x
  2. Step 2: Convert to fraction form
    110,766.60/152,857.08 = 60,465.60/x
  3. Step 3: Cross multiply
    110,766.60x = 152,857.08 × 60,465.60
  4. Step 4: Simplify right side
    110,766.60x = 9,242,595,056.45
  5. Step 5: Solve for x
    x = 9,242,595,056.45/110,766.60
  6. Step 6: Final answer
    x = 83,442.08

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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.