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Finding the Fourth Proportional to 239,156.34, 358,778.66 and 98,925.90

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Solution

The fourth proportional to 239,156.34, 358,778.66 and 98,925.90 is: 148,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,156.34 : 358,778.66 = 98,925.90 : x
  2. Step 2: Convert to fraction form
    239,156.34/358,778.66 = 98,925.90/x
  3. Step 3: Cross multiply
    239,156.34x = 358,778.66 × 98,925.90
  4. Step 4: Simplify right side
    239,156.34x = 35,492,501,346.66
  5. Step 5: Solve for x
    x = 35,492,501,346.66/239,156.34
  6. Step 6: Final answer
    x = 148,407.11

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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.