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Finding the Fourth Proportional to 294,687.70, 442,031.55 and 97,695.70

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Solution

The fourth proportional to 294,687.70, 442,031.55 and 97,695.70 is: 146,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,687.70 : 442,031.55 = 97,695.70 : x
  2. Step 2: Convert to fraction form
    294,687.70/442,031.55 = 97,695.70/x
  3. Step 3: Cross multiply
    294,687.70x = 442,031.55 × 97,695.70
  4. Step 4: Simplify right side
    294,687.70x = 43,184,581,699.34
  5. Step 5: Solve for x
    x = 43,184,581,699.34/294,687.70
  6. Step 6: Final answer
    x = 146,543.55

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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.