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Finding the Fourth Proportional to 127,141.51, 175,463.48 and 70,552.88

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Solution

The fourth proportional to 127,141.51, 175,463.48 and 70,552.88 is: 97,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,141.51 : 175,463.48 = 70,552.88 : x
  2. Step 2: Convert to fraction form
    127,141.51/175,463.48 = 70,552.88/x
  3. Step 3: Cross multiply
    127,141.51x = 175,463.48 × 70,552.88
  4. Step 4: Simplify right side
    127,141.51x = 12,379,453,848.82
  5. Step 5: Solve for x
    x = 12,379,453,848.82/127,141.51
  6. Step 6: Final answer
    x = 97,367.52

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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.