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Finding the Fourth Proportional to 111,149.04, 153,385.74 and 60,848.04

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Solution

The fourth proportional to 111,149.04, 153,385.74 and 60,848.04 is: 83,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,149.04 : 153,385.74 = 60,848.04 : x
  2. Step 2: Convert to fraction form
    111,149.04/153,385.74 = 60,848.04/x
  3. Step 3: Cross multiply
    111,149.04x = 153,385.74 × 60,848.04
  4. Step 4: Simplify right side
    111,149.04x = 9,333,221,642.95
  5. Step 5: Solve for x
    x = 9,333,221,642.95/111,149.04
  6. Step 6: Final answer
    x = 83,970.33

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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.