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Finding the Fourth Proportional to 107,099.40, 147,798.36 and 59,353.68

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Solution

The fourth proportional to 107,099.40, 147,798.36 and 59,353.68 is: 81,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,099.40 : 147,798.36 = 59,353.68 : x
  2. Step 2: Convert to fraction form
    107,099.40/147,798.36 = 59,353.68/x
  3. Step 3: Cross multiply
    107,099.40x = 147,798.36 × 59,353.68
  4. Step 4: Simplify right side
    107,099.40x = 8,772,376,563.96
  5. Step 5: Solve for x
    x = 8,772,376,563.96/107,099.40
  6. Step 6: Final answer
    x = 81,908.74

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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.