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Finding the Fourth Proportional to 249,215.60, 373,909.80 and 109,074.80

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Solution

The fourth proportional to 249,215.60, 373,909.80 and 109,074.80 is: 163,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,215.60 : 373,909.80 = 109,074.80 : x
  2. Step 2: Convert to fraction form
    249,215.60/373,909.80 = 109,074.80/x
  3. Step 3: Cross multiply
    249,215.60x = 373,909.80 × 109,074.80
  4. Step 4: Simplify right side
    249,215.60x = 40,784,136,653.04
  5. Step 5: Solve for x
    x = 40,784,136,653.04/249,215.60
  6. Step 6: Final answer
    x = 163,650.01

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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.