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Finding the Fourth Proportional to 111,149.88, 153,386.84 and 60,848.88

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Solution

The fourth proportional to 111,149.88, 153,386.84 and 60,848.88 is: 83,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,149.88 : 153,386.84 = 60,848.88 : x
  2. Step 2: Convert to fraction form
    111,149.88/153,386.84 = 60,848.88/x
  3. Step 3: Cross multiply
    111,149.88x = 153,386.84 × 60,848.88
  4. Step 4: Simplify right side
    111,149.88x = 9,333,417,420.74
  5. Step 5: Solve for x
    x = 9,333,417,420.74/111,149.88
  6. Step 6: Final answer
    x = 83,971.46

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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.