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Finding the Fourth Proportional to 177,887.88, 245,491.08 and 101,405.58

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Solution

The fourth proportional to 177,887.88, 245,491.08 and 101,405.58 is: 139,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,887.88 : 245,491.08 = 101,405.58 : x
  2. Step 2: Convert to fraction form
    177,887.88/245,491.08 = 101,405.58/x
  3. Step 3: Cross multiply
    177,887.88x = 245,491.08 × 101,405.58
  4. Step 4: Simplify right side
    177,887.88x = 24,894,165,352.23
  5. Step 5: Solve for x
    x = 24,894,165,352.23/177,887.88
  6. Step 6: Final answer
    x = 139,943.01

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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.