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Finding the Fourth Proportional to 124,408.97, 171,503.30 and 98,925.63

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Solution

The fourth proportional to 124,408.97, 171,503.30 and 98,925.63 is: 136,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,408.97 : 171,503.30 = 98,925.63 : x
  2. Step 2: Convert to fraction form
    124,408.97/171,503.30 = 98,925.63/x
  3. Step 3: Cross multiply
    124,408.97x = 171,503.30 × 98,925.63
  4. Step 4: Simplify right side
    124,408.97x = 16,966,071,504.95
  5. Step 5: Solve for x
    x = 16,966,071,504.95/124,408.97
  6. Step 6: Final answer
    x = 136,373.38

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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.