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Finding the Fourth Proportional to 243,060.60, 364,590.90 and 65,585.55

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Solution

The fourth proportional to 243,060.60, 364,590.90 and 65,585.55 is: 98,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,060.60 : 364,590.90 = 65,585.55 : x
  2. Step 2: Convert to fraction form
    243,060.60/364,590.90 = 65,585.55/x
  3. Step 3: Cross multiply
    243,060.60x = 364,590.90 × 65,585.55
  4. Step 4: Simplify right side
    243,060.60x = 23,911,894,701.50
  5. Step 5: Solve for x
    x = 23,911,894,701.50/243,060.60
  6. Step 6: Final answer
    x = 98,378.33

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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.