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Finding the Fourth Proportional to 110,478.96, 152,434.44 and 65,153.40

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Solution

The fourth proportional to 110,478.96, 152,434.44 and 65,153.40 is: 89,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,478.96 : 152,434.44 = 65,153.40 : x
  2. Step 2: Convert to fraction form
    110,478.96/152,434.44 = 65,153.40/x
  3. Step 3: Cross multiply
    110,478.96x = 152,434.44 × 65,153.40
  4. Step 4: Simplify right side
    110,478.96x = 9,931,622,043.10
  5. Step 5: Solve for x
    x = 9,931,622,043.10/110,478.96
  6. Step 6: Final answer
    x = 89,896.05

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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.