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Finding the Fourth Proportional to 147,501, 220,848.30 and 103,172.04

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Solution

The fourth proportional to 147,501, 220,848.30 and 103,172.04 is: 154,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501 : 220,848.30 = 103,172.04 : x
  2. Step 2: Convert to fraction form
    147,501/220,848.30 = 103,172.04/x
  3. Step 3: Cross multiply
    147,501x = 220,848.30 × 103,172.04
  4. Step 4: Simplify right side
    147,501x = 22,785,369,641.53
  5. Step 5: Solve for x
    x = 22,785,369,641.53/147,501
  6. Step 6: Final answer
    x = 154,476.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.