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Finding the Fourth Proportional to 116,500.01, 160,768.53 and 65,521.17

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Solution

The fourth proportional to 116,500.01, 160,768.53 and 65,521.17 is: 90,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,500.01 : 160,768.53 = 65,521.17 : x
  2. Step 2: Convert to fraction form
    116,500.01/160,768.53 = 65,521.17/x
  3. Step 3: Cross multiply
    116,500.01x = 160,768.53 × 65,521.17
  4. Step 4: Simplify right side
    116,500.01x = 10,533,742,184.78
  5. Step 5: Solve for x
    x = 10,533,742,184.78/116,500.01
  6. Step 6: Final answer
    x = 90,418.38

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1.5x scale

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.