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Finding the Fourth Proportional to 247,045.45, 370,590.05 and 69,554.00

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Solution

The fourth proportional to 247,045.45, 370,590.05 and 69,554.00 is: 104,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,045.45 : 370,590.05 = 69,554.00 : x
  2. Step 2: Convert to fraction form
    247,045.45/370,590.05 = 69,554.00/x
  3. Step 3: Cross multiply
    247,045.45x = 370,590.05 × 69,554.00
  4. Step 4: Simplify right side
    247,045.45x = 25,776,018,658.63
  5. Step 5: Solve for x
    x = 25,776,018,658.63/247,045.45
  6. Step 6: Final answer
    x = 104,337.15

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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.