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Finding the Fourth Proportional to 247,045.95, 370,590.81 and 69,554.50

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Solution

The fourth proportional to 247,045.95, 370,590.81 and 69,554.50 is: 104,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,045.95 : 370,590.81 = 69,554.50 : x
  2. Step 2: Convert to fraction form
    247,045.95/370,590.81 = 69,554.50/x
  3. Step 3: Cross multiply
    247,045.95x = 370,590.81 × 69,554.50
  4. Step 4: Simplify right side
    247,045.95x = 25,776,256,293.42
  5. Step 5: Solve for x
    x = 25,776,256,293.42/247,045.95
  6. Step 6: Final answer
    x = 104,337.90

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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.