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Finding the Fourth Proportional to 176,622.95, 243,746.09 and 101,186.03

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Solution

The fourth proportional to 176,622.95, 243,746.09 and 101,186.03 is: 139,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,622.95 : 243,746.09 = 101,186.03 : x
  2. Step 2: Convert to fraction form
    176,622.95/243,746.09 = 101,186.03/x
  3. Step 3: Cross multiply
    176,622.95x = 243,746.09 × 101,186.03
  4. Step 4: Simplify right side
    176,622.95x = 24,663,697,956.39
  5. Step 5: Solve for x
    x = 24,663,697,956.39/176,622.95
  6. Step 6: Final answer
    x = 139,640.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.