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Finding the Fourth Proportional to 170,404.40, 235,159.04 and 98,826.88

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Solution

The fourth proportional to 170,404.40, 235,159.04 and 98,826.88 is: 136,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,404.40 : 235,159.04 = 98,826.88 : x
  2. Step 2: Convert to fraction form
    170,404.40/235,159.04 = 98,826.88/x
  3. Step 3: Cross multiply
    170,404.40x = 235,159.04 × 98,826.88
  4. Step 4: Simplify right side
    170,404.40x = 23,240,034,227.00
  5. Step 5: Solve for x
    x = 23,240,034,227.00/170,404.40
  6. Step 6: Final answer
    x = 136,381.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.