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Finding the Fourth Proportional to 94,875.66, 130,550.67 and 91,989.90

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Solution

The fourth proportional to 94,875.66, 130,550.67 and 91,989.90 is: 126,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,875.66 : 130,550.67 = 91,989.90 : x
  2. Step 2: Convert to fraction form
    94,875.66/130,550.67 = 91,989.90/x
  3. Step 3: Cross multiply
    94,875.66x = 130,550.67 × 91,989.90
  4. Step 4: Simplify right side
    94,875.66x = 12,009,343,078.23
  5. Step 5: Solve for x
    x = 12,009,343,078.23/94,875.66
  6. Step 6: Final answer
    x = 126,579.81

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1.5x scale

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.