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Finding the Fourth Proportional to 249,193.60, 373,876.80 and 109,052.80

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Solution

The fourth proportional to 249,193.60, 373,876.80 and 109,052.80 is: 163,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,193.60 : 373,876.80 = 109,052.80 : x
  2. Step 2: Convert to fraction form
    249,193.60/373,876.80 = 109,052.80/x
  3. Step 3: Cross multiply
    249,193.60x = 373,876.80 × 109,052.80
  4. Step 4: Simplify right side
    249,193.60x = 40,772,311,895.04
  5. Step 5: Solve for x
    x = 40,772,311,895.04/249,193.60
  6. Step 6: Final answer
    x = 163,617.01

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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.