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Finding the Fourth Proportional to 124,822.49, 172,255.04 and 67,461.63

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Solution

The fourth proportional to 124,822.49, 172,255.04 and 67,461.63 is: 93,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.49 : 172,255.04 = 67,461.63 : x
  2. Step 2: Convert to fraction form
    124,822.49/172,255.04 = 67,461.63/x
  3. Step 3: Cross multiply
    124,822.49x = 172,255.04 × 67,461.63
  4. Step 4: Simplify right side
    124,822.49x = 11,620,605,436.81
  5. Step 5: Solve for x
    x = 11,620,605,436.81/124,822.49
  6. Step 6: Final answer
    x = 93,097.05

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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.