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Finding the Fourth Proportional to 249,634.90, 374,452.35 and 99,898.30

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Solution

The fourth proportional to 249,634.90, 374,452.35 and 99,898.30 is: 149,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,634.90 : 374,452.35 = 99,898.30 : x
  2. Step 2: Convert to fraction form
    249,634.90/374,452.35 = 99,898.30/x
  3. Step 3: Cross multiply
    249,634.90x = 374,452.35 × 99,898.30
  4. Step 4: Simplify right side
    249,634.90x = 37,407,153,196.01
  5. Step 5: Solve for x
    x = 37,407,153,196.01/249,634.90
  6. Step 6: Final answer
    x = 149,847.45

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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.