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Finding the Fourth Proportional to 249,112.80, 373,669.02 and 82,900.80

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Solution

The fourth proportional to 249,112.80, 373,669.02 and 82,900.80 is: 124,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,112.80 : 373,669.02 = 82,900.80 : x
  2. Step 2: Convert to fraction form
    249,112.80/373,669.02 = 82,900.80/x
  3. Step 3: Cross multiply
    249,112.80x = 373,669.02 × 82,900.80
  4. Step 4: Simplify right side
    249,112.80x = 30,977,460,693.22
  5. Step 5: Solve for x
    x = 30,977,460,693.22/249,112.80
  6. Step 6: Final answer
    x = 124,351.14

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1.5x scale

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.