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Finding the Fourth Proportional to 119,352.61, 164,702.83 and 65,637.46

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Solution

The fourth proportional to 119,352.61, 164,702.83 and 65,637.46 is: 90,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,352.61 : 164,702.83 = 65,637.46 : x
  2. Step 2: Convert to fraction form
    119,352.61/164,702.83 = 65,637.46/x
  3. Step 3: Cross multiply
    119,352.61x = 164,702.83 × 65,637.46
  4. Step 4: Simplify right side
    119,352.61x = 10,810,675,416.01
  5. Step 5: Solve for x
    x = 10,810,675,416.01/119,352.61
  6. Step 6: Final answer
    x = 90,577.62

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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.