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Finding the Fourth Proportional to 288,577.07, 432,912.98 and 88,893.08

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Solution

The fourth proportional to 288,577.07, 432,912.98 and 88,893.08 is: 133,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,577.07 : 432,912.98 = 88,893.08 : x
  2. Step 2: Convert to fraction form
    288,577.07/432,912.98 = 88,893.08/x
  3. Step 3: Cross multiply
    288,577.07x = 432,912.98 × 88,893.08
  4. Step 4: Simplify right side
    288,577.07x = 38,482,966,221.85
  5. Step 5: Solve for x
    x = 38,482,966,221.85/288,577.07
  6. Step 6: Final answer
    x = 133,354.21

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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.