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Finding the Fourth Proportional to 116,032.95, 174,049.43 and 86,508.45

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Solution

The fourth proportional to 116,032.95, 174,049.43 and 86,508.45 is: 129,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,032.95 : 174,049.43 = 86,508.45 : x
  2. Step 2: Convert to fraction form
    116,032.95/174,049.43 = 86,508.45/x
  3. Step 3: Cross multiply
    116,032.95x = 174,049.43 × 86,508.45
  4. Step 4: Simplify right side
    116,032.95x = 15,056,745,980.14
  5. Step 5: Solve for x
    x = 15,056,745,980.14/116,032.95
  6. Step 6: Final answer
    x = 129,762.68

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1.5x scale

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.