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Finding the Fourth Proportional to 88,647.04, 132,970.56 and 70,192

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Solution

The fourth proportional to 88,647.04, 132,970.56 and 70,192 is: 105,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.04 : 132,970.56 = 70,192 : x
  2. Step 2: Convert to fraction form
    88,647.04/132,970.56 = 70,192/x
  3. Step 3: Cross multiply
    88,647.04x = 132,970.56 × 70,192
  4. Step 4: Simplify right side
    88,647.04x = 9,333,469,547.52
  5. Step 5: Solve for x
    x = 9,333,469,547.52/88,647.04
  6. Step 6: Final answer
    x = 105,288.00

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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.