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Finding the Fourth Proportional to 107,280.83, 147,708.70 and 94,486.88

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Solution

The fourth proportional to 107,280.83, 147,708.70 and 94,486.88 is: 130,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,280.83 : 147,708.70 = 94,486.88 : x
  2. Step 2: Convert to fraction form
    107,280.83/147,708.70 = 94,486.88/x
  3. Step 3: Cross multiply
    107,280.83x = 147,708.70 × 94,486.88
  4. Step 4: Simplify right side
    107,280.83x = 13,956,534,344.91
  5. Step 5: Solve for x
    x = 13,956,534,344.91/107,280.83
  6. Step 6: Final answer
    x = 130,093.46

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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.