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Finding the Fourth Proportional to 104,510.64, 144,223.32 and 56,765.52

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Solution

The fourth proportional to 104,510.64, 144,223.32 and 56,765.52 is: 78,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,510.64 : 144,223.32 = 56,765.52 : x
  2. Step 2: Convert to fraction form
    104,510.64/144,223.32 = 56,765.52/x
  3. Step 3: Cross multiply
    104,510.64x = 144,223.32 × 56,765.52
  4. Step 4: Simplify right side
    104,510.64x = 8,186,911,755.93
  5. Step 5: Solve for x
    x = 8,186,911,755.93/104,510.64
  6. Step 6: Final answer
    x = 78,335.68

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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.