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Finding the Fourth Proportional to 229,502.61, 316,707.31 and 127,525.45

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Solution

The fourth proportional to 229,502.61, 316,707.31 and 127,525.45 is: 175,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,502.61 : 316,707.31 = 127,525.45 : x
  2. Step 2: Convert to fraction form
    229,502.61/316,707.31 = 127,525.45/x
  3. Step 3: Cross multiply
    229,502.61x = 316,707.31 × 127,525.45
  4. Step 4: Simplify right side
    229,502.61x = 40,388,242,226.04
  5. Step 5: Solve for x
    x = 40,388,242,226.04/229,502.61
  6. Step 6: Final answer
    x = 175,981.62

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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.