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Finding the Fourth Proportional to 116,969.60, 175,459.80 and 57,053.18

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Solution

The fourth proportional to 116,969.60, 175,459.80 and 57,053.18 is: 85,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,969.60 : 175,459.80 = 57,053.18 : x
  2. Step 2: Convert to fraction form
    116,969.60/175,459.80 = 57,053.18/x
  3. Step 3: Cross multiply
    116,969.60x = 175,459.80 × 57,053.18
  4. Step 4: Simplify right side
    116,969.60x = 10,010,539,552.16
  5. Step 5: Solve for x
    x = 10,010,539,552.16/116,969.60
  6. Step 6: Final answer
    x = 85,582.40

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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.