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Finding the Fourth Proportional to 144,347.96, 216,389.46 and 55,574.84

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Solution

The fourth proportional to 144,347.96, 216,389.46 and 55,574.84 is: 83,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,347.96 : 216,389.46 = 55,574.84 : x
  2. Step 2: Convert to fraction form
    144,347.96/216,389.46 = 55,574.84/x
  3. Step 3: Cross multiply
    144,347.96x = 216,389.46 × 55,574.84
  4. Step 4: Simplify right side
    144,347.96x = 12,025,809,617.19
  5. Step 5: Solve for x
    x = 12,025,809,617.19/144,347.96
  6. Step 6: Final answer
    x = 83,311.25

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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.