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Finding the Fourth Proportional to 144,298.51, 216,449.43 and 44,457.91

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Solution

The fourth proportional to 144,298.51, 216,449.43 and 44,457.91 is: 66,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,298.51 : 216,449.43 = 44,457.91 : x
  2. Step 2: Convert to fraction form
    144,298.51/216,449.43 = 44,457.91/x
  3. Step 3: Cross multiply
    144,298.51x = 216,449.43 × 44,457.91
  4. Step 4: Simplify right side
    144,298.51x = 9,622,889,278.49
  5. Step 5: Solve for x
    x = 9,622,889,278.49/144,298.51
  6. Step 6: Final answer
    x = 66,687.38

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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.