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Finding the Fourth Proportional to 162,045.40, 242,549.70 and 149,603.80

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Solution

The fourth proportional to 162,045.40, 242,549.70 and 149,603.80 is: 223,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,045.40 : 242,549.70 = 149,603.80 : x
  2. Step 2: Convert to fraction form
    162,045.40/242,549.70 = 149,603.80/x
  3. Step 3: Cross multiply
    162,045.40x = 242,549.70 × 149,603.80
  4. Step 4: Simplify right side
    162,045.40x = 36,286,356,808.86
  5. Step 5: Solve for x
    x = 36,286,356,808.86/162,045.40
  6. Step 6: Final answer
    x = 223,927.10

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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.