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Finding the Fourth Proportional to 216,663.63, 325,108.78 and 88,674.92

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Solution

The fourth proportional to 216,663.63, 325,108.78 and 88,674.92 is: 133,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,663.63 : 325,108.78 = 88,674.92 : x
  2. Step 2: Convert to fraction form
    216,663.63/325,108.78 = 88,674.92/x
  3. Step 3: Cross multiply
    216,663.63x = 325,108.78 × 88,674.92
  4. Step 4: Simplify right side
    216,663.63x = 28,828,995,057.80
  5. Step 5: Solve for x
    x = 28,828,995,057.80/216,663.63
  6. Step 6: Final answer
    x = 133,058.77

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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.