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Finding the Fourth Proportional to 110,684.64, 152,763.60 and 65,374.08

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Solution

The fourth proportional to 110,684.64, 152,763.60 and 65,374.08 is: 90,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,684.64 : 152,763.60 = 65,374.08 : x
  2. Step 2: Convert to fraction form
    110,684.64/152,763.60 = 65,374.08/x
  3. Step 3: Cross multiply
    110,684.64x = 152,763.60 × 65,374.08
  4. Step 4: Simplify right side
    110,684.64x = 9,986,779,807.49
  5. Step 5: Solve for x
    x = 9,986,779,807.49/110,684.64
  6. Step 6: Final answer
    x = 90,227.33

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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.