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Finding the Fourth Proportional to 262,030.58, 393,128.94 and 93,547.31

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Solution

The fourth proportional to 262,030.58, 393,128.94 and 93,547.31 is: 140,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,030.58 : 393,128.94 = 93,547.31 : x
  2. Step 2: Convert to fraction form
    262,030.58/393,128.94 = 93,547.31/x
  3. Step 3: Cross multiply
    262,030.58x = 393,128.94 × 93,547.31
  4. Step 4: Simplify right side
    262,030.58x = 36,776,153,205.31
  5. Step 5: Solve for x
    x = 36,776,153,205.31/262,030.58
  6. Step 6: Final answer
    x = 140,350.62

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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.