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Finding the Fourth Proportional to 110,270, 152,172.60 and 59,970.08

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Solution

The fourth proportional to 110,270, 152,172.60 and 59,970.08 is: 82,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,270 : 152,172.60 = 59,970.08 : x
  2. Step 2: Convert to fraction form
    110,270/152,172.60 = 59,970.08/x
  3. Step 3: Cross multiply
    110,270x = 152,172.60 × 59,970.08
  4. Step 4: Simplify right side
    110,270x = 9,125,802,995.81
  5. Step 5: Solve for x
    x = 9,125,802,995.81/110,270
  6. Step 6: Final answer
    x = 82,758.71

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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.