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Finding the Fourth Proportional to 116,592.40, 174,878.88 and 69,811.12

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Solution

The fourth proportional to 116,592.40, 174,878.88 and 69,811.12 is: 104,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,592.40 : 174,878.88 = 69,811.12 : x
  2. Step 2: Convert to fraction form
    116,592.40/174,878.88 = 69,811.12/x
  3. Step 3: Cross multiply
    116,592.40x = 174,878.88 × 69,811.12
  4. Step 4: Simplify right side
    116,592.40x = 12,208,490,477.15
  5. Step 5: Solve for x
    x = 12,208,490,477.15/116,592.40
  6. Step 6: Final answer
    x = 104,710.86

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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.