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Finding the Fourth Proportional to 143,068.14, 214,614.36 and 37,885.59

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Solution

The fourth proportional to 143,068.14, 214,614.36 and 37,885.59 is: 56,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,068.14 : 214,614.36 = 37,885.59 : x
  2. Step 2: Convert to fraction form
    143,068.14/214,614.36 = 37,885.59/x
  3. Step 3: Cross multiply
    143,068.14x = 214,614.36 × 37,885.59
  4. Step 4: Simplify right side
    143,068.14x = 8,130,791,651.07
  5. Step 5: Solve for x
    x = 8,130,791,651.07/143,068.14
  6. Step 6: Final answer
    x = 56,831.60

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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.