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Finding the Fourth Proportional to 162,159.84, 243,608.72 and 117,319.52

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Solution

The fourth proportional to 162,159.84, 243,608.72 and 117,319.52 is: 176,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,159.84 : 243,608.72 = 117,319.52 : x
  2. Step 2: Convert to fraction form
    162,159.84/243,608.72 = 117,319.52/x
  3. Step 3: Cross multiply
    162,159.84x = 243,608.72 × 117,319.52
  4. Step 4: Simplify right side
    162,159.84x = 28,580,058,098.21
  5. Step 5: Solve for x
    x = 28,580,058,098.21/162,159.84
  6. Step 6: Final answer
    x = 176,246.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.