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Finding the Fourth Proportional to 243,801.90, 365,737.80 and 75,336.93

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Solution

The fourth proportional to 243,801.90, 365,737.80 and 75,336.93 is: 113,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,801.90 : 365,737.80 = 75,336.93 : x
  2. Step 2: Convert to fraction form
    243,801.90/365,737.80 = 75,336.93/x
  3. Step 3: Cross multiply
    243,801.90x = 365,737.80 × 75,336.93
  4. Step 4: Simplify right side
    243,801.90x = 27,553,563,036.95
  5. Step 5: Solve for x
    x = 27,553,563,036.95/243,801.90
  6. Step 6: Final answer
    x = 113,016.19

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1.5x scale

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.