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Finding the Fourth Proportional to 176,643.12, 264,938.76 and 58,318.32

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Solution

The fourth proportional to 176,643.12, 264,938.76 and 58,318.32 is: 87,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,643.12 : 264,938.76 = 58,318.32 : x
  2. Step 2: Convert to fraction form
    176,643.12/264,938.76 = 58,318.32/x
  3. Step 3: Cross multiply
    176,643.12x = 264,938.76 × 58,318.32
  4. Step 4: Simplify right side
    176,643.12x = 15,450,783,386.08
  5. Step 5: Solve for x
    x = 15,450,783,386.08/176,643.12
  6. Step 6: Final answer
    x = 87,468.92

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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.