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Finding the Fourth Proportional to 116,595.90, 160,902.54 and 65,611.46

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Solution

The fourth proportional to 116,595.90, 160,902.54 and 65,611.46 is: 90,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,595.90 : 160,902.54 = 65,611.46 : x
  2. Step 2: Convert to fraction form
    116,595.90/160,902.54 = 65,611.46/x
  3. Step 3: Cross multiply
    116,595.90x = 160,902.54 × 65,611.46
  4. Step 4: Simplify right side
    116,595.90x = 10,557,050,239.05
  5. Step 5: Solve for x
    x = 10,557,050,239.05/116,595.90
  6. Step 6: Final answer
    x = 90,543.92

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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.