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Finding the Fourth Proportional to 130,897.71, 180,619.16 and 73,526.04

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Solution

The fourth proportional to 130,897.71, 180,619.16 and 73,526.04 is: 101,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,897.71 : 180,619.16 = 73,526.04 : x
  2. Step 2: Convert to fraction form
    130,897.71/180,619.16 = 73,526.04/x
  3. Step 3: Cross multiply
    130,897.71x = 180,619.16 × 73,526.04
  4. Step 4: Simplify right side
    130,897.71x = 13,280,211,215.30
  5. Step 5: Solve for x
    x = 13,280,211,215.30/130,897.71
  6. Step 6: Final answer
    x = 101,454.88

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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.