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Finding the Fourth Proportional to 107,494.78, 148,339.52 and 61,552.93

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Solution

The fourth proportional to 107,494.78, 148,339.52 and 61,552.93 is: 84,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,494.78 : 148,339.52 = 61,552.93 : x
  2. Step 2: Convert to fraction form
    107,494.78/148,339.52 = 61,552.93/x
  3. Step 3: Cross multiply
    107,494.78x = 148,339.52 × 61,552.93
  4. Step 4: Simplify right side
    107,494.78x = 9,130,731,349.10
  5. Step 5: Solve for x
    x = 9,130,731,349.10/107,494.78
  6. Step 6: Final answer
    x = 84,941.16

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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.