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Finding the Fourth Proportional to 144,716.01, 199,708.70 and 84,328.08

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Solution

The fourth proportional to 144,716.01, 199,708.70 and 84,328.08 is: 116,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,716.01 : 199,708.70 = 84,328.08 : x
  2. Step 2: Convert to fraction form
    144,716.01/199,708.70 = 84,328.08/x
  3. Step 3: Cross multiply
    144,716.01x = 199,708.70 × 84,328.08
  4. Step 4: Simplify right side
    144,716.01x = 16,841,050,808.66
  5. Step 5: Solve for x
    x = 16,841,050,808.66/144,716.01
  6. Step 6: Final answer
    x = 116,373.10

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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.