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Finding the Fourth Proportional to 84,403.50, 116,506.12 and 48,607.76

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Solution

The fourth proportional to 84,403.50, 116,506.12 and 48,607.76 is: 67,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,403.50 : 116,506.12 = 48,607.76 : x
  2. Step 2: Convert to fraction form
    84,403.50/116,506.12 = 48,607.76/x
  3. Step 3: Cross multiply
    84,403.50x = 116,506.12 × 48,607.76
  4. Step 4: Simplify right side
    84,403.50x = 5,663,101,519.49
  5. Step 5: Solve for x
    x = 5,663,101,519.49/84,403.50
  6. Step 6: Final answer
    x = 67,095.58

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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.