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Finding the Fourth Proportional to 213,374.76, 294,431.94 and 117,875.72

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Solution

The fourth proportional to 213,374.76, 294,431.94 and 117,875.72 is: 162,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,374.76 : 294,431.94 = 117,875.72 : x
  2. Step 2: Convert to fraction form
    213,374.76/294,431.94 = 117,875.72/x
  3. Step 3: Cross multiply
    213,374.76x = 294,431.94 × 117,875.72
  4. Step 4: Simplify right side
    213,374.76x = 34,706,376,918.50
  5. Step 5: Solve for x
    x = 34,706,376,918.50/213,374.76
  6. Step 6: Final answer
    x = 162,654.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.