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Finding the Fourth Proportional to 151,641.76, 227,386.32 and 88,483.36

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Solution

The fourth proportional to 151,641.76, 227,386.32 and 88,483.36 is: 132,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,641.76 : 227,386.32 = 88,483.36 : x
  2. Step 2: Convert to fraction form
    151,641.76/227,386.32 = 88,483.36/x
  3. Step 3: Cross multiply
    151,641.76x = 227,386.32 × 88,483.36
  4. Step 4: Simplify right side
    151,641.76x = 20,119,905,611.64
  5. Step 5: Solve for x
    x = 20,119,905,611.64/151,641.76
  6. Step 6: Final answer
    x = 132,680.51

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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.