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Finding the Fourth Proportional to 86,810.90, 119,803.70 and 48,568.17

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Solution

The fourth proportional to 86,810.90, 119,803.70 and 48,568.17 is: 67,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810.90 : 119,803.70 = 48,568.17 : x
  2. Step 2: Convert to fraction form
    86,810.90/119,803.70 = 48,568.17/x
  3. Step 3: Cross multiply
    86,810.90x = 119,803.70 × 48,568.17
  4. Step 4: Simplify right side
    86,810.90x = 5,818,646,468.23
  5. Step 5: Solve for x
    x = 5,818,646,468.23/86,810.90
  6. Step 6: Final answer
    x = 67,026.68

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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.