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Finding the Fourth Proportional to 162,220.84, 243,312.06 and 49,900.84

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Solution

The fourth proportional to 162,220.84, 243,312.06 and 49,900.84 is: 74,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,220.84 : 243,312.06 = 49,900.84 : x
  2. Step 2: Convert to fraction form
    162,220.84/243,312.06 = 49,900.84/x
  3. Step 3: Cross multiply
    162,220.84x = 243,312.06 × 49,900.84
  4. Step 4: Simplify right side
    162,220.84x = 12,141,476,176.13
  5. Step 5: Solve for x
    x = 12,141,476,176.13/162,220.84
  6. Step 6: Final answer
    x = 74,845.35

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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.