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Finding the Fourth Proportional to 125,629.60, 176,348 and 125,629.60

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Solution

The fourth proportional to 125,629.60, 176,348 and 125,629.60 is: 176,348

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,629.60 : 176,348 = 125,629.60 : x
  2. Step 2: Convert to fraction form
    125,629.60/176,348 = 125,629.60/x
  3. Step 3: Cross multiply
    125,629.60x = 176,348 × 125,629.60
  4. Step 4: Simplify right side
    125,629.60x = 22,154,528,700.80
  5. Step 5: Solve for x
    x = 22,154,528,700.80/125,629.60
  6. Step 6: Final answer
    x = 176,348

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.