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Finding the Fourth Proportional to 127,117.73, 175,424.51 and 73,407.44

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Solution

The fourth proportional to 127,117.73, 175,424.51 and 73,407.44 is: 101,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.73 : 175,424.51 = 73,407.44 : x
  2. Step 2: Convert to fraction form
    127,117.73/175,424.51 = 73,407.44/x
  3. Step 3: Cross multiply
    127,117.73x = 175,424.51 × 73,407.44
  4. Step 4: Simplify right side
    127,117.73x = 12,877,464,192.35
  5. Step 5: Solve for x
    x = 12,877,464,192.35/127,117.73
  6. Step 6: Final answer
    x = 101,303.45

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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.