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Finding the Fourth Proportional to 248,756.53, 373,193.12 and 99,005.89

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Solution

The fourth proportional to 248,756.53, 373,193.12 and 99,005.89 is: 148,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,756.53 : 373,193.12 = 99,005.89 : x
  2. Step 2: Convert to fraction form
    248,756.53/373,193.12 = 99,005.89/x
  3. Step 3: Cross multiply
    248,756.53x = 373,193.12 × 99,005.89
  4. Step 4: Simplify right side
    248,756.53x = 36,948,316,987.48
  5. Step 5: Solve for x
    x = 36,948,316,987.48/248,756.53
  6. Step 6: Final answer
    x = 148,532.05

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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.