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Finding the Fourth Proportional to 91,056.60, 125,868.06 and 91,056.60

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Solution

The fourth proportional to 91,056.60, 125,868.06 and 91,056.60 is: 125,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,056.60 : 125,868.06 = 91,056.60 : x
  2. Step 2: Convert to fraction form
    91,056.60/125,868.06 = 91,056.60/x
  3. Step 3: Cross multiply
    91,056.60x = 125,868.06 × 91,056.60
  4. Step 4: Simplify right side
    91,056.60x = 11,461,117,592.20
  5. Step 5: Solve for x
    x = 11,461,117,592.20/91,056.60
  6. Step 6: Final answer
    x = 125,868.06

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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.