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Finding the Fourth Proportional to 107,417.51, 161,125.23 and 65,309.22

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Solution

The fourth proportional to 107,417.51, 161,125.23 and 65,309.22 is: 97,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,417.51 : 161,125.23 = 65,309.22 : x
  2. Step 2: Convert to fraction form
    107,417.51/161,125.23 = 65,309.22/x
  3. Step 3: Cross multiply
    107,417.51x = 161,125.23 × 65,309.22
  4. Step 4: Simplify right side
    107,417.51x = 10,522,963,093.62
  5. Step 5: Solve for x
    x = 10,522,963,093.62/107,417.51
  6. Step 6: Final answer
    x = 97,963.20

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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.