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Finding the Fourth Proportional to 224,390.18, 336,603.81 and 161,503.01

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Solution

The fourth proportional to 224,390.18, 336,603.81 and 161,503.01 is: 242,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,390.18 : 336,603.81 = 161,503.01 : x
  2. Step 2: Convert to fraction form
    224,390.18/336,603.81 = 161,503.01/x
  3. Step 3: Cross multiply
    224,390.18x = 336,603.81 × 161,503.01
  4. Step 4: Simplify right side
    224,390.18x = 54,362,528,492.47
  5. Step 5: Solve for x
    x = 54,362,528,492.47/224,390.18
  6. Step 6: Final answer
    x = 242,267.86

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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.