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Finding the Fourth Proportional to 84,656.85, 116,739.28 and 59,153.93

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Solution

The fourth proportional to 84,656.85, 116,739.28 and 59,153.93 is: 81,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,656.85 : 116,739.28 = 59,153.93 : x
  2. Step 2: Convert to fraction form
    84,656.85/116,739.28 = 59,153.93/x
  3. Step 3: Cross multiply
    84,656.85x = 116,739.28 × 59,153.93
  4. Step 4: Simplify right side
    84,656.85x = 6,905,586,465.79
  5. Step 5: Solve for x
    x = 6,905,586,465.79/84,656.85
  6. Step 6: Final answer
    x = 81,571.50

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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.