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Finding the Fourth Proportional to 176,890.64, 265,444.75 and 70,255.94

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Solution

The fourth proportional to 176,890.64, 265,444.75 and 70,255.94 is: 105,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,890.64 : 265,444.75 = 70,255.94 : x
  2. Step 2: Convert to fraction form
    176,890.64/265,444.75 = 70,255.94/x
  3. Step 3: Cross multiply
    176,890.64x = 265,444.75 × 70,255.94
  4. Step 4: Simplify right side
    176,890.64x = 18,649,070,429.32
  5. Step 5: Solve for x
    x = 18,649,070,429.32/176,890.64
  6. Step 6: Final answer
    x = 105,427.12

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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.