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Finding the Fourth Proportional to 265,006.32, 397,548.88 and 87,532.08

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Solution

The fourth proportional to 265,006.32, 397,548.88 and 87,532.08 is: 131,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,006.32 : 397,548.88 = 87,532.08 : x
  2. Step 2: Convert to fraction form
    265,006.32/397,548.88 = 87,532.08/x
  3. Step 3: Cross multiply
    265,006.32x = 397,548.88 × 87,532.08
  4. Step 4: Simplify right side
    265,006.32x = 34,798,280,368.07
  5. Step 5: Solve for x
    x = 34,798,280,368.07/265,006.32
  6. Step 6: Final answer
    x = 131,311.13

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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.