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Finding the Fourth Proportional to 91,343.64, 137,015.64 and 35,210.18

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Solution

The fourth proportional to 91,343.64, 137,015.64 and 35,210.18 is: 52,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,343.64 : 137,015.64 = 35,210.18 : x
  2. Step 2: Convert to fraction form
    91,343.64/137,015.64 = 35,210.18/x
  3. Step 3: Cross multiply
    91,343.64x = 137,015.64 × 35,210.18
  4. Step 4: Simplify right side
    91,343.64x = 4,824,345,347.22
  5. Step 5: Solve for x
    x = 4,824,345,347.22/91,343.64
  6. Step 6: Final answer
    x = 52,815.34

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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.