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Finding the Fourth Proportional to 173,444.84, 239,393.88 and 112,910.05

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Solution

The fourth proportional to 173,444.84, 239,393.88 and 112,910.05 is: 155,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,444.84 : 239,393.88 = 112,910.05 : x
  2. Step 2: Convert to fraction form
    173,444.84/239,393.88 = 112,910.05/x
  3. Step 3: Cross multiply
    173,444.84x = 239,393.88 × 112,910.05
  4. Step 4: Simplify right side
    173,444.84x = 27,029,975,259.74
  5. Step 5: Solve for x
    x = 27,029,975,259.74/173,444.84
  6. Step 6: Final answer
    x = 155,841.91

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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.