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Finding the Fourth Proportional to 213,926.88, 295,223.28 and 118,430.88

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Solution

The fourth proportional to 213,926.88, 295,223.28 and 118,430.88 is: 163,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,926.88 : 295,223.28 = 118,430.88 : x
  2. Step 2: Convert to fraction form
    213,926.88/295,223.28 = 118,430.88/x
  3. Step 3: Cross multiply
    213,926.88x = 295,223.28 × 118,430.88
  4. Step 4: Simplify right side
    213,926.88x = 34,963,552,846.89
  5. Step 5: Solve for x
    x = 34,963,552,846.89/213,926.88
  6. Step 6: Final answer
    x = 163,436.93

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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.