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Finding the Fourth Proportional to 43,152,787.06, 64,754,718.42 and 15,878,233.31

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Solution

The fourth proportional to 43,152,787.06, 64,754,718.42 and 15,878,233.31 is: 23,826,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,152,787.06 : 64,754,718.42 = 15,878,233.31 : x
  2. Step 2: Convert to fraction form
    43,152,787.06/64,754,718.42 = 15,878,233.31/x
  3. Step 3: Cross multiply
    43,152,787.06x = 64,754,718.42 × 15,878,233.31
  4. Step 4: Simplify right side
    43,152,787.06x = 1,028,190,526,672,341
  5. Step 5: Solve for x
    x = 1,028,190,526,672,341/43,152,787.06
  6. Step 6: Final answer
    x = 23,826,746.70

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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.