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Finding the Fourth Proportional to 255,145.52, 352,114.62 and 141,970.70

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Solution

The fourth proportional to 255,145.52, 352,114.62 and 141,970.70 is: 195,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,145.52 : 352,114.62 = 141,970.70 : x
  2. Step 2: Convert to fraction form
    255,145.52/352,114.62 = 141,970.70/x
  3. Step 3: Cross multiply
    255,145.52x = 352,114.62 × 141,970.70
  4. Step 4: Simplify right side
    255,145.52x = 49,989,959,081.63
  5. Step 5: Solve for x
    x = 49,989,959,081.63/255,145.52
  6. Step 6: Final answer
    x = 195,927.25

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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.