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Finding the Fourth Proportional to 97,791.16, 134,952.06 and 53,079.16

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Solution

The fourth proportional to 97,791.16, 134,952.06 and 53,079.16 is: 73,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,791.16 : 134,952.06 = 53,079.16 : x
  2. Step 2: Convert to fraction form
    97,791.16/134,952.06 = 53,079.16/x
  3. Step 3: Cross multiply
    97,791.16x = 134,952.06 × 53,079.16
  4. Step 4: Simplify right side
    97,791.16x = 7,163,141,985.07
  5. Step 5: Solve for x
    x = 7,163,141,985.07/97,791.16
  6. Step 6: Final answer
    x = 73,249.38

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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.