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Finding the Fourth Proportional to 176,726.66, 243,875.51 and 96,154.51

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Solution

The fourth proportional to 176,726.66, 243,875.51 and 96,154.51 is: 132,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,726.66 : 243,875.51 = 96,154.51 : x
  2. Step 2: Convert to fraction form
    176,726.66/243,875.51 = 96,154.51/x
  3. Step 3: Cross multiply
    176,726.66x = 243,875.51 × 96,154.51
  4. Step 4: Simplify right side
    176,726.66x = 23,449,729,795.75
  5. Step 5: Solve for x
    x = 23,449,729,795.75/176,726.66
  6. Step 6: Final answer
    x = 132,689.26

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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.