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Finding the Fourth Proportional to 148,805.98, 223,019.16 and 69,746.02

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Solution

The fourth proportional to 148,805.98, 223,019.16 and 69,746.02 is: 104,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,805.98 : 223,019.16 = 69,746.02 : x
  2. Step 2: Convert to fraction form
    148,805.98/223,019.16 = 69,746.02/x
  3. Step 3: Cross multiply
    148,805.98x = 223,019.16 × 69,746.02
  4. Step 4: Simplify right side
    148,805.98x = 15,554,698,793.74
  5. Step 5: Solve for x
    x = 15,554,698,793.74/148,805.98
  6. Step 6: Final answer
    x = 104,530.07

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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.