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Finding the Fourth Proportional to 469,774.76, 704,686.72 and 132,840.06

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Solution

The fourth proportional to 469,774.76, 704,686.72 and 132,840.06 is: 199,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,774.76 : 704,686.72 = 132,840.06 : x
  2. Step 2: Convert to fraction form
    469,774.76/704,686.72 = 132,840.06/x
  3. Step 3: Cross multiply
    469,774.76x = 704,686.72 × 132,840.06
  4. Step 4: Simplify right side
    469,774.76x = 93,610,626,166.00
  5. Step 5: Solve for x
    x = 93,610,626,166.00/469,774.76
  6. Step 6: Final answer
    x = 199,267.04

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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.