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Finding the Fourth Proportional to 162,463.32, 223,700.94 and 142,206.84

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Solution

The fourth proportional to 162,463.32, 223,700.94 and 142,206.84 is: 195,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,463.32 : 223,700.94 = 142,206.84 : x
  2. Step 2: Convert to fraction form
    162,463.32/223,700.94 = 142,206.84/x
  3. Step 3: Cross multiply
    162,463.32x = 223,700.94 × 142,206.84
  4. Step 4: Simplify right side
    162,463.32x = 31,811,803,782.43
  5. Step 5: Solve for x
    x = 31,811,803,782.43/162,463.32
  6. Step 6: Final answer
    x = 195,809.14

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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.