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Finding the Fourth Proportional to 220,597.38, 304,478.46 and 125,159.94

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Solution

The fourth proportional to 220,597.38, 304,478.46 and 125,159.94 is: 172,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,597.38 : 304,478.46 = 125,159.94 : x
  2. Step 2: Convert to fraction form
    220,597.38/304,478.46 = 125,159.94/x
  3. Step 3: Cross multiply
    220,597.38x = 304,478.46 × 125,159.94
  4. Step 4: Simplify right side
    220,597.38x = 38,108,505,784.89
  5. Step 5: Solve for x
    x = 38,108,505,784.89/220,597.38
  6. Step 6: Final answer
    x = 172,751.40

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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.