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Finding the Fourth Proportional to 107,702.69, 148,623.89 and 59,295.19

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Solution

The fourth proportional to 107,702.69, 148,623.89 and 59,295.19 is: 81,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,702.69 : 148,623.89 = 59,295.19 : x
  2. Step 2: Convert to fraction form
    107,702.69/148,623.89 = 59,295.19/x
  3. Step 3: Cross multiply
    107,702.69x = 148,623.89 × 59,295.19
  4. Step 4: Simplify right side
    107,702.69x = 8,812,681,573.49
  5. Step 5: Solve for x
    x = 8,812,681,573.49/107,702.69
  6. Step 6: Final answer
    x = 81,824.16

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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.