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Finding the Fourth Proportional to 97,298.70, 133,117.50 and 96,878.62

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Solution

The fourth proportional to 97,298.70, 133,117.50 and 96,878.62 is: 132,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,298.70 : 133,117.50 = 96,878.62 : x
  2. Step 2: Convert to fraction form
    97,298.70/133,117.50 = 96,878.62/x
  3. Step 3: Cross multiply
    97,298.70x = 133,117.50 × 96,878.62
  4. Step 4: Simplify right side
    97,298.70x = 12,896,239,697.85
  5. Step 5: Solve for x
    x = 12,896,239,697.85/97,298.70
  6. Step 6: Final answer
    x = 132,542.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.