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Finding the Fourth Proportional to 147,187,999.40, 220,303,702.20 and 147,187,999.40

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Solution

The fourth proportional to 147,187,999.40, 220,303,702.20 and 147,187,999.40 is: 220,303,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,187,999.40 : 220,303,702.20 = 147,187,999.40 : x
  2. Step 2: Convert to fraction form
    147,187,999.40/220,303,702.20 = 147,187,999.40/x
  3. Step 3: Cross multiply
    147,187,999.40x = 220,303,702.20 × 147,187,999.40
  4. Step 4: Simplify right side
    147,187,999.40x = 32,426,061,187,231,380
  5. Step 5: Solve for x
    x = 32,426,061,187,231,380/147,187,999.40
  6. Step 6: Final answer
    x = 220,303,702.20

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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.