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Finding the Fourth Proportional to 243,693.42, 365,290.90 and 93,875.01

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Solution

The fourth proportional to 243,693.42, 365,290.90 and 93,875.01 is: 140,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,693.42 : 365,290.90 = 93,875.01 : x
  2. Step 2: Convert to fraction form
    243,693.42/365,290.90 = 93,875.01/x
  3. Step 3: Cross multiply
    243,693.42x = 365,290.90 × 93,875.01
  4. Step 4: Simplify right side
    243,693.42x = 34,291,686,890.41
  5. Step 5: Solve for x
    x = 34,291,686,890.41/243,693.42
  6. Step 6: Final answer
    x = 140,716.51

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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.