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Finding the Fourth Proportional to 86,095.98, 129,143.79 and 22,916.12

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Solution

The fourth proportional to 86,095.98, 129,143.79 and 22,916.12 is: 34,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,095.98 : 129,143.79 = 22,916.12 : x
  2. Step 2: Convert to fraction form
    86,095.98/129,143.79 = 22,916.12/x
  3. Step 3: Cross multiply
    86,095.98x = 129,143.79 × 22,916.12
  4. Step 4: Simplify right side
    86,095.98x = 2,959,473,943.18
  5. Step 5: Solve for x
    x = 2,959,473,943.18/86,095.98
  6. Step 6: Final answer
    x = 34,374.12

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1.5x scale

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.