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Finding the Fourth Proportional to 98,610.16, 136,094.01 and 55,597.93

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Solution

The fourth proportional to 98,610.16, 136,094.01 and 55,597.93 is: 76,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.16 : 136,094.01 = 55,597.93 : x
  2. Step 2: Convert to fraction form
    98,610.16/136,094.01 = 55,597.93/x
  3. Step 3: Cross multiply
    98,610.16x = 136,094.01 × 55,597.93
  4. Step 4: Simplify right side
    98,610.16x = 7,566,545,668.11
  5. Step 5: Solve for x
    x = 7,566,545,668.11/98,610.16
  6. Step 6: Final answer
    x = 76,731.91

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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.