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Finding the Fourth Proportional to 98,941.68, 136,555.68 and 73,616.22

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Solution

The fourth proportional to 98,941.68, 136,555.68 and 73,616.22 is: 101,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,941.68 : 136,555.68 = 73,616.22 : x
  2. Step 2: Convert to fraction form
    98,941.68/136,555.68 = 73,616.22/x
  3. Step 3: Cross multiply
    98,941.68x = 136,555.68 × 73,616.22
  4. Step 4: Simplify right side
    98,941.68x = 10,052,712,981.13
  5. Step 5: Solve for x
    x = 10,052,712,981.13/98,941.68
  6. Step 6: Final answer
    x = 101,602.41

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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.