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Finding the Fourth Proportional to 255,957.52, 353,220.95 and 141,236.07

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Solution

The fourth proportional to 255,957.52, 353,220.95 and 141,236.07 is: 194,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,957.52 : 353,220.95 = 141,236.07 : x
  2. Step 2: Convert to fraction form
    255,957.52/353,220.95 = 141,236.07/x
  3. Step 3: Cross multiply
    255,957.52x = 353,220.95 × 141,236.07
  4. Step 4: Simplify right side
    255,957.52x = 49,887,539,172.76
  5. Step 5: Solve for x
    x = 49,887,539,172.76/255,957.52
  6. Step 6: Final answer
    x = 194,905.54

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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.