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Finding the Fourth Proportional to 127,670.62, 175,805.04 and 124,838.32

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Solution

The fourth proportional to 127,670.62, 175,805.04 and 124,838.32 is: 171,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670.62 : 175,805.04 = 124,838.32 : x
  2. Step 2: Convert to fraction form
    127,670.62/175,805.04 = 124,838.32/x
  3. Step 3: Cross multiply
    127,670.62x = 175,805.04 × 124,838.32
  4. Step 4: Simplify right side
    127,670.62x = 21,947,205,841.13
  5. Step 5: Solve for x
    x = 21,947,205,841.13/127,670.62
  6. Step 6: Final answer
    x = 171,904.91

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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.