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Finding the Fourth Proportional to 88,395.72, 132,581.12 and 46,261.95

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Solution

The fourth proportional to 88,395.72, 132,581.12 and 46,261.95 is: 69,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,395.72 : 132,581.12 = 46,261.95 : x
  2. Step 2: Convert to fraction form
    88,395.72/132,581.12 = 46,261.95/x
  3. Step 3: Cross multiply
    88,395.72x = 132,581.12 × 46,261.95
  4. Step 4: Simplify right side
    88,395.72x = 6,133,460,913.07
  5. Step 5: Solve for x
    x = 6,133,460,913.07/88,395.72
  6. Step 6: Final answer
    x = 69,386.40

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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.