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Finding the Fourth Proportional to 223,838.98, 308,803.53 and 148,256.26

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Solution

The fourth proportional to 223,838.98, 308,803.53 and 148,256.26 is: 204,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,838.98 : 308,803.53 = 148,256.26 : x
  2. Step 2: Convert to fraction form
    223,838.98/308,803.53 = 148,256.26/x
  3. Step 3: Cross multiply
    223,838.98x = 308,803.53 × 148,256.26
  4. Step 4: Simplify right side
    223,838.98x = 45,782,056,432.60
  5. Step 5: Solve for x
    x = 45,782,056,432.60/223,838.98
  6. Step 6: Final answer
    x = 204,531.21

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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.