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Finding the Fourth Proportional to 220,543.97, 304,384.65 and 125,030.39

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Solution

The fourth proportional to 220,543.97, 304,384.65 and 125,030.39 is: 172,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,543.97 : 304,384.65 = 125,030.39 : x
  2. Step 2: Convert to fraction form
    220,543.97/304,384.65 = 125,030.39/x
  3. Step 3: Cross multiply
    220,543.97x = 304,384.65 × 125,030.39
  4. Step 4: Simplify right side
    220,543.97x = 38,057,331,499.51
  5. Step 5: Solve for x
    x = 38,057,331,499.51/220,543.97
  6. Step 6: Final answer
    x = 172,561.20

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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.