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Finding the Fourth Proportional to 91,303.69, 136,955.54 and 59,740.27

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Solution

The fourth proportional to 91,303.69, 136,955.54 and 59,740.27 is: 89,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303.69 : 136,955.54 = 59,740.27 : x
  2. Step 2: Convert to fraction form
    91,303.69/136,955.54 = 59,740.27/x
  3. Step 3: Cross multiply
    91,303.69x = 136,955.54 × 59,740.27
  4. Step 4: Simplify right side
    91,303.69x = 8,181,760,937.60
  5. Step 5: Solve for x
    x = 8,181,760,937.60/91,303.69
  6. Step 6: Final answer
    x = 89,610.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.