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Finding the Fourth Proportional to 106,348.58, 159,559.15 and 66,859.46

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Solution

The fourth proportional to 106,348.58, 159,559.15 and 66,859.46 is: 100,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,348.58 : 159,559.15 = 66,859.46 : x
  2. Step 2: Convert to fraction form
    106,348.58/159,559.15 = 66,859.46/x
  3. Step 3: Cross multiply
    106,348.58x = 159,559.15 × 66,859.46
  4. Step 4: Simplify right side
    106,348.58x = 10,668,038,607.06
  5. Step 5: Solve for x
    x = 10,668,038,607.06/106,348.58
  6. Step 6: Final answer
    x = 100,312.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.