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Finding the Fourth Proportional to 176,378.45, 264,386.43 and 69,719.06

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Solution

The fourth proportional to 176,378.45, 264,386.43 and 69,719.06 is: 104,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,378.45 : 264,386.43 = 69,719.06 : x
  2. Step 2: Convert to fraction form
    176,378.45/264,386.43 = 69,719.06/x
  3. Step 3: Cross multiply
    176,378.45x = 264,386.43 × 69,719.06
  4. Step 4: Simplify right side
    176,378.45x = 18,432,774,037.32
  5. Step 5: Solve for x
    x = 18,432,774,037.32/176,378.45
  6. Step 6: Final answer
    x = 104,506.95

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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.