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Finding the Fourth Proportional to 162,776.66, 243,056.97 and 143,641.62

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Solution

The fourth proportional to 162,776.66, 243,056.97 and 143,641.62 is: 214,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,776.66 : 243,056.97 = 143,641.62 : x
  2. Step 2: Convert to fraction form
    162,776.66/243,056.97 = 143,641.62/x
  3. Step 3: Cross multiply
    162,776.66x = 243,056.97 × 143,641.62
  4. Step 4: Simplify right side
    162,776.66x = 34,913,096,923.09
  5. Step 5: Solve for x
    x = 34,913,096,923.09/162,776.66
  6. Step 6: Final answer
    x = 214,484.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.