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Finding the Fourth Proportional to 97,362.80, 134,357.76 and 54,343.52

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Solution

The fourth proportional to 97,362.80, 134,357.76 and 54,343.52 is: 74,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,362.80 : 134,357.76 = 54,343.52 : x
  2. Step 2: Convert to fraction form
    97,362.80/134,357.76 = 54,343.52/x
  3. Step 3: Cross multiply
    97,362.80x = 134,357.76 × 54,343.52
  4. Step 4: Simplify right side
    97,362.80x = 7,301,473,617.72
  5. Step 5: Solve for x
    x = 7,301,473,617.72/97,362.80
  6. Step 6: Final answer
    x = 74,992.44

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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.