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Finding the Fourth Proportional to 365,766.61, 548,594.48 and 99,547.87

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Solution

The fourth proportional to 365,766.61, 548,594.48 and 99,547.87 is: 149,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,766.61 : 548,594.48 = 99,547.87 : x
  2. Step 2: Convert to fraction form
    365,766.61/548,594.48 = 99,547.87/x
  3. Step 3: Cross multiply
    365,766.61x = 548,594.48 × 99,547.87
  4. Step 4: Simplify right side
    365,766.61x = 54,611,413,598.11
  5. Step 5: Solve for x
    x = 54,611,413,598.11/365,766.61
  6. Step 6: Final answer
    x = 149,306.72

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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.