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Finding the Fourth Proportional to 172,444.14, 237,945.48 and 96,978.06

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Solution

The fourth proportional to 172,444.14, 237,945.48 and 96,978.06 is: 133,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,444.14 : 237,945.48 = 96,978.06 : x
  2. Step 2: Convert to fraction form
    172,444.14/237,945.48 = 96,978.06/x
  3. Step 3: Cross multiply
    172,444.14x = 237,945.48 × 96,978.06
  4. Step 4: Simplify right side
    172,444.14x = 23,075,491,036.17
  5. Step 5: Solve for x
    x = 23,075,491,036.17/172,444.14
  6. Step 6: Final answer
    x = 133,814.30

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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.