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Finding the Fourth Proportional to 249,097.81, 343,665.16 and 191,754.67

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Solution

The fourth proportional to 249,097.81, 343,665.16 and 191,754.67 is: 264,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,097.81 : 343,665.16 = 191,754.67 : x
  2. Step 2: Convert to fraction form
    249,097.81/343,665.16 = 191,754.67/x
  3. Step 3: Cross multiply
    249,097.81x = 343,665.16 × 191,754.67
  4. Step 4: Simplify right side
    249,097.81x = 65,899,399,346.30
  5. Step 5: Solve for x
    x = 65,899,399,346.30/249,097.81
  6. Step 6: Final answer
    x = 264,552.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.