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Finding the Fourth Proportional to 101,482.90, 152,224.35 and 98,890.90

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Solution

The fourth proportional to 101,482.90, 152,224.35 and 98,890.90 is: 148,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,482.90 : 152,224.35 = 98,890.90 : x
  2. Step 2: Convert to fraction form
    101,482.90/152,224.35 = 98,890.90/x
  3. Step 3: Cross multiply
    101,482.90x = 152,224.35 × 98,890.90
  4. Step 4: Simplify right side
    101,482.90x = 15,053,602,973.42
  5. Step 5: Solve for x
    x = 15,053,602,973.42/101,482.90
  6. Step 6: Final answer
    x = 148,336.35

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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.