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Finding the Fourth Proportional to 371,535.96, 557,303.82 and 91,050.84

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Solution

The fourth proportional to 371,535.96, 557,303.82 and 91,050.84 is: 136,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,535.96 : 557,303.82 = 91,050.84 : x
  2. Step 2: Convert to fraction form
    371,535.96/557,303.82 = 91,050.84/x
  3. Step 3: Cross multiply
    371,535.96x = 557,303.82 × 91,050.84
  4. Step 4: Simplify right side
    371,535.96x = 50,742,980,946.21
  5. Step 5: Solve for x
    x = 50,742,980,946.21/371,535.96
  6. Step 6: Final answer
    x = 136,576.23

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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.