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Finding the Fourth Proportional to 101,360.08, 139,877.22 and 56,648.08

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Solution

The fourth proportional to 101,360.08, 139,877.22 and 56,648.08 is: 78,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,360.08 : 139,877.22 = 56,648.08 : x
  2. Step 2: Convert to fraction form
    101,360.08/139,877.22 = 56,648.08/x
  3. Step 3: Cross multiply
    101,360.08x = 139,877.22 × 56,648.08
  4. Step 4: Simplify right side
    101,360.08x = 7,923,775,948.74
  5. Step 5: Solve for x
    x = 7,923,775,948.74/101,360.08
  6. Step 6: Final answer
    x = 78,174.52

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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.