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Finding the Fourth Proportional to 97,695.51, 134,822.64 and 55,253.13

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Solution

The fourth proportional to 97,695.51, 134,822.64 and 55,253.13 is: 76,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,695.51 : 134,822.64 = 55,253.13 : x
  2. Step 2: Convert to fraction form
    97,695.51/134,822.64 = 55,253.13/x
  3. Step 3: Cross multiply
    97,695.51x = 134,822.64 × 55,253.13
  4. Step 4: Simplify right side
    97,695.51x = 7,449,372,854.86
  5. Step 5: Solve for x
    x = 7,449,372,854.86/97,695.51
  6. Step 6: Final answer
    x = 76,250.92

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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.