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Finding the Fourth Proportional to 249,057.45, 373,765.73 and 99,211.10

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Solution

The fourth proportional to 249,057.45, 373,765.73 and 99,211.10 is: 148,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,057.45 : 373,765.73 = 99,211.10 : x
  2. Step 2: Convert to fraction form
    249,057.45/373,765.73 = 99,211.10/x
  3. Step 3: Cross multiply
    249,057.45x = 373,765.73 × 99,211.10
  4. Step 4: Simplify right side
    249,057.45x = 37,081,706,850.72
  5. Step 5: Solve for x
    x = 37,081,706,850.72/249,057.45
  6. Step 6: Final answer
    x = 148,888.17

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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.