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Finding the Fourth Proportional to 162,153.01, 243,242.48 and 56,995.57

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Solution

The fourth proportional to 162,153.01, 243,242.48 and 56,995.57 is: 85,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,153.01 : 243,242.48 = 56,995.57 : x
  2. Step 2: Convert to fraction form
    162,153.01/243,242.48 = 56,995.57/x
  3. Step 3: Cross multiply
    162,153.01x = 243,242.48 × 56,995.57
  4. Step 4: Simplify right side
    162,153.01x = 13,863,743,795.81
  5. Step 5: Solve for x
    x = 13,863,743,795.81/162,153.01
  6. Step 6: Final answer
    x = 85,497.91

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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.