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Finding the Fourth Proportional to 125,332.60, 172,957.80 and 67,973.18

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Solution

The fourth proportional to 125,332.60, 172,957.80 and 67,973.18 is: 93,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,332.60 : 172,957.80 = 67,973.18 : x
  2. Step 2: Convert to fraction form
    125,332.60/172,957.80 = 67,973.18/x
  3. Step 3: Cross multiply
    125,332.60x = 172,957.80 × 67,973.18
  4. Step 4: Simplify right side
    125,332.60x = 11,756,491,671.80
  5. Step 5: Solve for x
    x = 11,756,491,671.80/125,332.60
  6. Step 6: Final answer
    x = 93,802.34

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1.5x scale

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.