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Finding the Fourth Proportional to 176,408.66, 243,482.28 and 108,484.04

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Solution

The fourth proportional to 176,408.66, 243,482.28 and 108,484.04 is: 149,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,408.66 : 243,482.28 = 108,484.04 : x
  2. Step 2: Convert to fraction form
    176,408.66/243,482.28 = 108,484.04/x
  3. Step 3: Cross multiply
    176,408.66x = 243,482.28 × 108,484.04
  4. Step 4: Simplify right side
    176,408.66x = 26,413,941,402.81
  5. Step 5: Solve for x
    x = 26,413,941,402.81/176,408.66
  6. Step 6: Final answer
    x = 149,731.55

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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.