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Finding the Fourth Proportional to 106,813, 147,399.51 and 59,066.74

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Solution

The fourth proportional to 106,813, 147,399.51 and 59,066.74 is: 81,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,813 : 147,399.51 = 59,066.74 : x
  2. Step 2: Convert to fraction form
    106,813/147,399.51 = 59,066.74/x
  3. Step 3: Cross multiply
    106,813x = 147,399.51 × 59,066.74
  4. Step 4: Simplify right side
    106,813x = 8,706,408,533.30
  5. Step 5: Solve for x
    x = 8,706,408,533.30/106,813
  6. Step 6: Final answer
    x = 81,510.76

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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.