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Finding the Fourth Proportional to 161,668.71, 242,503.11 and 49,349.58

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Solution

The fourth proportional to 161,668.71, 242,503.11 and 49,349.58 is: 74,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,668.71 : 242,503.11 = 49,349.58 : x
  2. Step 2: Convert to fraction form
    161,668.71/242,503.11 = 49,349.58/x
  3. Step 3: Cross multiply
    161,668.71x = 242,503.11 × 49,349.58
  4. Step 4: Simplify right side
    161,668.71x = 11,967,426,627.19
  5. Step 5: Solve for x
    x = 11,967,426,627.19/161,668.71
  6. Step 6: Final answer
    x = 74,024.38

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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.