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Finding the Fourth Proportional to 249,322.80, 373,974.60 and 83,110.80

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Solution

The fourth proportional to 249,322.80, 373,974.60 and 83,110.80 is: 124,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,322.80 : 373,974.60 = 83,110.80 : x
  2. Step 2: Convert to fraction form
    249,322.80/373,974.60 = 83,110.80/x
  3. Step 3: Cross multiply
    249,322.80x = 373,974.60 × 83,110.80
  4. Step 4: Simplify right side
    249,322.80x = 31,081,328,185.68
  5. Step 5: Solve for x
    x = 31,081,328,185.68/249,322.80
  6. Step 6: Final answer
    x = 124,663.00

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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.