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Finding the Fourth Proportional to 145,373.55, 200,586.10 and 84,932.52

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Solution

The fourth proportional to 145,373.55, 200,586.10 and 84,932.52 is: 117,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,373.55 : 200,586.10 = 84,932.52 : x
  2. Step 2: Convert to fraction form
    145,373.55/200,586.10 = 84,932.52/x
  3. Step 3: Cross multiply
    145,373.55x = 200,586.10 × 84,932.52
  4. Step 4: Simplify right side
    145,373.55x = 17,036,282,525.31
  5. Step 5: Solve for x
    x = 17,036,282,525.31/145,373.55
  6. Step 6: Final answer
    x = 117,189.70

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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.