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Finding the Fourth Proportional to 99,324.40, 148,986.60 and 94,140.40

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Solution

The fourth proportional to 99,324.40, 148,986.60 and 94,140.40 is: 141,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.40 : 148,986.60 = 94,140.40 : x
  2. Step 2: Convert to fraction form
    99,324.40/148,986.60 = 94,140.40/x
  3. Step 3: Cross multiply
    99,324.40x = 148,986.60 × 94,140.40
  4. Step 4: Simplify right side
    99,324.40x = 14,025,658,118.64
  5. Step 5: Solve for x
    x = 14,025,658,118.64/99,324.40
  6. Step 6: Final answer
    x = 141,210.60

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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.