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Finding the Fourth Proportional to 249,323.20, 373,869.60 and 109,009.60

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Solution

The fourth proportional to 249,323.20, 373,869.60 and 109,009.60 is: 163,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,323.20 : 373,869.60 = 109,009.60 : x
  2. Step 2: Convert to fraction form
    249,323.20/373,869.60 = 109,009.60/x
  3. Step 3: Cross multiply
    249,323.20x = 373,869.60 × 109,009.60
  4. Step 4: Simplify right side
    249,323.20x = 40,755,375,548.16
  5. Step 5: Solve for x
    x = 40,755,375,548.16/249,323.20
  6. Step 6: Final answer
    x = 163,464.03

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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.