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Finding the Fourth Proportional to 91,055.84, 125,612.46 and 60,848.60

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Solution

The fourth proportional to 91,055.84, 125,612.46 and 60,848.60 is: 83,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,055.84 : 125,612.46 = 60,848.60 : x
  2. Step 2: Convert to fraction form
    91,055.84/125,612.46 = 60,848.60/x
  3. Step 3: Cross multiply
    91,055.84x = 125,612.46 × 60,848.60
  4. Step 4: Simplify right side
    91,055.84x = 7,643,342,333.56
  5. Step 5: Solve for x
    x = 7,643,342,333.56/91,055.84
  6. Step 6: Final answer
    x = 83,941.26

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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.