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Finding the Fourth Proportional to 255,054.96, 351,977.90 and 141,877.71

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Solution

The fourth proportional to 255,054.96, 351,977.90 and 141,877.71 is: 195,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,054.96 : 351,977.90 = 141,877.71 : x
  2. Step 2: Convert to fraction form
    255,054.96/351,977.90 = 141,877.71/x
  3. Step 3: Cross multiply
    255,054.96x = 351,977.90 × 141,877.71
  4. Step 4: Simplify right side
    255,054.96x = 49,937,817,713.22
  5. Step 5: Solve for x
    x = 49,937,817,713.22/255,054.96
  6. Step 6: Final answer
    x = 195,792.38

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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.