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Finding the Fourth Proportional to 107,103.25, 147,802.49 and 59,363.77

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Solution

The fourth proportional to 107,103.25, 147,802.49 and 59,363.77 is: 81,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,103.25 : 147,802.49 = 59,363.77 : x
  2. Step 2: Convert to fraction form
    107,103.25/147,802.49 = 59,363.77/x
  3. Step 3: Cross multiply
    107,103.25x = 147,802.49 × 59,363.77
  4. Step 4: Simplify right side
    107,103.25x = 8,774,113,021.79
  5. Step 5: Solve for x
    x = 8,774,113,021.79/107,103.25
  6. Step 6: Final answer
    x = 81,922.01

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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.