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Finding the Fourth Proportional to 229,021.49, 316,051.57 and 127,053.60

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Solution

The fourth proportional to 229,021.49, 316,051.57 and 127,053.60 is: 175,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,021.49 : 316,051.57 = 127,053.60 : x
  2. Step 2: Convert to fraction form
    229,021.49/316,051.57 = 127,053.60/x
  3. Step 3: Cross multiply
    229,021.49x = 316,051.57 × 127,053.60
  4. Step 4: Simplify right side
    229,021.49x = 40,155,488,727.78
  5. Step 5: Solve for x
    x = 40,155,488,727.78/229,021.49
  6. Step 6: Final answer
    x = 175,335.02

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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.