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Finding the Fourth Proportional to 357,586.65, 536,321.03 and 117,703.68

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Solution

The fourth proportional to 357,586.65, 536,321.03 and 117,703.68 is: 176,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,586.65 : 536,321.03 = 117,703.68 : x
  2. Step 2: Convert to fraction form
    357,586.65/536,321.03 = 117,703.68/x
  3. Step 3: Cross multiply
    357,586.65x = 536,321.03 × 117,703.68
  4. Step 4: Simplify right side
    357,586.65x = 63,126,956,292.67
  5. Step 5: Solve for x
    x = 63,126,956,292.67/357,586.65
  6. Step 6: Final answer
    x = 176,536.11

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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.