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Finding the Fourth Proportional to 176,866.98, 265,133.70 and 88,036.50

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Solution

The fourth proportional to 176,866.98, 265,133.70 and 88,036.50 is: 131,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,866.98 : 265,133.70 = 88,036.50 : x
  2. Step 2: Convert to fraction form
    176,866.98/265,133.70 = 88,036.50/x
  3. Step 3: Cross multiply
    176,866.98x = 265,133.70 × 88,036.50
  4. Step 4: Simplify right side
    176,866.98x = 23,341,442,980.05
  5. Step 5: Solve for x
    x = 23,341,442,980.05/176,866.98
  6. Step 6: Final answer
    x = 131,971.74

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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.