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Finding the Fourth Proportional to 219,190.64, 328,779.88 and 59,282.08

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Solution

The fourth proportional to 219,190.64, 328,779.88 and 59,282.08 is: 88,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,190.64 : 328,779.88 = 59,282.08 : x
  2. Step 2: Convert to fraction form
    219,190.64/328,779.88 = 59,282.08/x
  3. Step 3: Cross multiply
    219,190.64x = 328,779.88 × 59,282.08
  4. Step 4: Simplify right side
    219,190.64x = 19,490,755,148.55
  5. Step 5: Solve for x
    x = 19,490,755,148.55/219,190.64
  6. Step 6: Final answer
    x = 88,921.48

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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.