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Finding the Fourth Proportional to 155,630.60, 233,057.10 and 124,526.60

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Solution

The fourth proportional to 155,630.60, 233,057.10 and 124,526.60 is: 186,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,630.60 : 233,057.10 = 124,526.60 : x
  2. Step 2: Convert to fraction form
    155,630.60/233,057.10 = 124,526.60/x
  3. Step 3: Cross multiply
    155,630.60x = 233,057.10 × 124,526.60
  4. Step 4: Simplify right side
    155,630.60x = 29,021,808,268.86
  5. Step 5: Solve for x
    x = 29,021,808,268.86/155,630.60
  6. Step 6: Final answer
    x = 186,478.80

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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.