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Finding the Fourth Proportional to 172,018.95, 237,384.50 and 96,566.91

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Solution

The fourth proportional to 172,018.95, 237,384.50 and 96,566.91 is: 133,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,018.95 : 237,384.50 = 96,566.91 : x
  2. Step 2: Convert to fraction form
    172,018.95/237,384.50 = 96,566.91/x
  3. Step 3: Cross multiply
    172,018.95x = 237,384.50 × 96,566.91
  4. Step 4: Simplify right side
    172,018.95x = 22,923,487,646.90
  5. Step 5: Solve for x
    x = 22,923,487,646.90/172,018.95
  6. Step 6: Final answer
    x = 133,261.41

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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.