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Finding the Fourth Proportional to 242,162.34, 363,239.86 and 108,948.52

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Solution

The fourth proportional to 242,162.34, 363,239.86 and 108,948.52 is: 163,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,162.34 : 363,239.86 = 108,948.52 : x
  2. Step 2: Convert to fraction form
    242,162.34/363,239.86 = 108,948.52/x
  3. Step 3: Cross multiply
    242,162.34x = 363,239.86 × 108,948.52
  4. Step 4: Simplify right side
    242,162.34x = 39,574,445,152.01
  5. Step 5: Solve for x
    x = 39,574,445,152.01/242,162.34
  6. Step 6: Final answer
    x = 163,421.14

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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.