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Finding the Fourth Proportional to 144,283.60, 199,081.16 and 84,635.60

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Solution

The fourth proportional to 144,283.60, 199,081.16 and 84,635.60 is: 116,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,283.60 : 199,081.16 = 84,635.60 : x
  2. Step 2: Convert to fraction form
    144,283.60/199,081.16 = 84,635.60/x
  3. Step 3: Cross multiply
    144,283.60x = 199,081.16 × 84,635.60
  4. Step 4: Simplify right side
    144,283.60x = 16,849,353,425.30
  5. Step 5: Solve for x
    x = 16,849,353,425.30/144,283.60
  6. Step 6: Final answer
    x = 116,779.41

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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.