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Finding the Fourth Proportional to 89,005.53, 122,827.54 and 48,718.93

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Solution

The fourth proportional to 89,005.53, 122,827.54 and 48,718.93 is: 67,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,005.53 : 122,827.54 = 48,718.93 : x
  2. Step 2: Convert to fraction form
    89,005.53/122,827.54 = 48,718.93/x
  3. Step 3: Cross multiply
    89,005.53x = 122,827.54 × 48,718.93
  4. Step 4: Simplify right side
    89,005.53x = 5,984,026,079.74
  5. Step 5: Solve for x
    x = 5,984,026,079.74/89,005.53
  6. Step 6: Final answer
    x = 67,232.07

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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.