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Finding the Fourth Proportional to 173,688.19, 239,689.71 and 94,200.19

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Solution

The fourth proportional to 173,688.19, 239,689.71 and 94,200.19 is: 129,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,688.19 : 239,689.71 = 94,200.19 : x
  2. Step 2: Convert to fraction form
    173,688.19/239,689.71 = 94,200.19/x
  3. Step 3: Cross multiply
    173,688.19x = 239,689.71 × 94,200.19
  4. Step 4: Simplify right side
    173,688.19x = 22,578,815,623.82
  5. Step 5: Solve for x
    x = 22,578,815,623.82/173,688.19
  6. Step 6: Final answer
    x = 129,996.26

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1.5x scale

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.