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Finding the Fourth Proportional to 111,357.63, 153,673.56 and 60,370.35

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Solution

The fourth proportional to 111,357.63, 153,673.56 and 60,370.35 is: 83,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,357.63 : 153,673.56 = 60,370.35 : x
  2. Step 2: Convert to fraction form
    111,357.63/153,673.56 = 60,370.35/x
  3. Step 3: Cross multiply
    111,357.63x = 153,673.56 × 60,370.35
  4. Step 4: Simplify right side
    111,357.63x = 9,277,326,602.95
  5. Step 5: Solve for x
    x = 9,277,326,602.95/111,357.63
  6. Step 6: Final answer
    x = 83,311.10

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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.