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Finding the Fourth Proportional to 111,054, 153,256.68 and 60,754.08

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Solution

The fourth proportional to 111,054, 153,256.68 and 60,754.08 is: 83,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,054 : 153,256.68 = 60,754.08 : x
  2. Step 2: Convert to fraction form
    111,054/153,256.68 = 60,754.08/x
  3. Step 3: Cross multiply
    111,054x = 153,256.68 × 60,754.08
  4. Step 4: Simplify right side
    111,054x = 9,310,968,597.25
  5. Step 5: Solve for x
    x = 9,310,968,597.25/111,054
  6. Step 6: Final answer
    x = 83,841.81

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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.