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Finding the Fourth Proportional to 249,036.68, 343,668.98 and 141,606.72

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Solution

The fourth proportional to 249,036.68, 343,668.98 and 141,606.72 is: 195,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,036.68 : 343,668.98 = 141,606.72 : x
  2. Step 2: Convert to fraction form
    249,036.68/343,668.98 = 141,606.72/x
  3. Step 3: Cross multiply
    249,036.68x = 343,668.98 × 141,606.72
  4. Step 4: Simplify right side
    249,036.68x = 48,665,837,377.56
  5. Step 5: Solve for x
    x = 48,665,837,377.56/249,036.68
  6. Step 6: Final answer
    x = 195,416.34

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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.