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Finding the Fourth Proportional to 170,945, 235,903.52 and 94,461.96

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Solution

The fourth proportional to 170,945, 235,903.52 and 94,461.96 is: 130,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,945 : 235,903.52 = 94,461.96 : x
  2. Step 2: Convert to fraction form
    170,945/235,903.52 = 94,461.96/x
  3. Step 3: Cross multiply
    170,945x = 235,903.52 × 94,461.96
  4. Step 4: Simplify right side
    170,945x = 22,283,908,870.10
  5. Step 5: Solve for x
    x = 22,283,908,870.10/170,945
  6. Step 6: Final answer
    x = 130,357.18

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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.