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Finding the Fourth Proportional to 86,887.99, 119,877.55 and 48,641.91

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Solution

The fourth proportional to 86,887.99, 119,877.55 and 48,641.91 is: 67,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,887.99 : 119,877.55 = 48,641.91 : x
  2. Step 2: Convert to fraction form
    86,887.99/119,877.55 = 48,641.91/x
  3. Step 3: Cross multiply
    86,887.99x = 119,877.55 × 48,641.91
  4. Step 4: Simplify right side
    86,887.99x = 5,831,072,998.12
  5. Step 5: Solve for x
    x = 5,831,072,998.12/86,887.99
  6. Step 6: Final answer
    x = 67,110.23

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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.