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Finding the Fourth Proportional to 213,792.61, 295,021.51 and 118,294.51

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Solution

The fourth proportional to 213,792.61, 295,021.51 and 118,294.51 is: 163,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,792.61 : 295,021.51 = 118,294.51 : x
  2. Step 2: Convert to fraction form
    213,792.61/295,021.51 = 118,294.51/x
  3. Step 3: Cross multiply
    213,792.61x = 295,021.51 × 118,294.51
  4. Step 4: Simplify right side
    213,792.61x = 34,899,424,964.91
  5. Step 5: Solve for x
    x = 34,899,424,964.91/213,792.61
  6. Step 6: Final answer
    x = 163,239.62

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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.