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Finding the Fourth Proportional to 229,303.55, 316,428.33 and 127,335.52

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Solution

The fourth proportional to 229,303.55, 316,428.33 and 127,335.52 is: 175,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,303.55 : 316,428.33 = 127,335.52 : x
  2. Step 2: Convert to fraction form
    229,303.55/316,428.33 = 127,335.52/x
  3. Step 3: Cross multiply
    229,303.55x = 316,428.33 × 127,335.52
  4. Step 4: Simplify right side
    229,303.55x = 40,292,566,816.33
  5. Step 5: Solve for x
    x = 40,292,566,816.33/229,303.55
  6. Step 6: Final answer
    x = 175,717.15

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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.