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Finding the Fourth Proportional to 110,937.39, 153,093.68 and 60,636.39

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Solution

The fourth proportional to 110,937.39, 153,093.68 and 60,636.39 is: 83,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,937.39 : 153,093.68 = 60,636.39 : x
  2. Step 2: Convert to fraction form
    110,937.39/153,093.68 = 60,636.39/x
  3. Step 3: Cross multiply
    110,937.39x = 153,093.68 × 60,636.39
  4. Step 4: Simplify right side
    110,937.39x = 9,283,047,783.83
  5. Step 5: Solve for x
    x = 9,283,047,783.83/110,937.39
  6. Step 6: Final answer
    x = 83,678.26

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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.