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Finding the Fourth Proportional to 249,063.84, 343,715.94 and 141,627.06

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Solution

The fourth proportional to 249,063.84, 343,715.94 and 141,627.06 is: 195,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,063.84 : 343,715.94 = 141,627.06 : x
  2. Step 2: Convert to fraction form
    249,063.84/343,715.94 = 141,627.06/x
  3. Step 3: Cross multiply
    249,063.84x = 343,715.94 × 141,627.06
  4. Step 4: Simplify right side
    249,063.84x = 48,679,478,057.34
  5. Step 5: Solve for x
    x = 48,679,478,057.34/249,063.84
  6. Step 6: Final answer
    x = 195,449.80

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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.