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Finding the Fourth Proportional to 104,060.17, 143,603.03 and 56,313.52

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Solution

The fourth proportional to 104,060.17, 143,603.03 and 56,313.52 is: 77,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.17 : 143,603.03 = 56,313.52 : x
  2. Step 2: Convert to fraction form
    104,060.17/143,603.03 = 56,313.52/x
  3. Step 3: Cross multiply
    104,060.17x = 143,603.03 × 56,313.52
  4. Step 4: Simplify right side
    104,060.17x = 8,086,791,820.40
  5. Step 5: Solve for x
    x = 8,086,791,820.40/104,060.17
  6. Step 6: Final answer
    x = 77,712.65

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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.