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Finding the Fourth Proportional to 255,039.62, 351,948.98 and 147,607.50

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Solution

The fourth proportional to 255,039.62, 351,948.98 and 147,607.50 is: 203,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,039.62 : 351,948.98 = 147,607.50 : x
  2. Step 2: Convert to fraction form
    255,039.62/351,948.98 = 147,607.50/x
  3. Step 3: Cross multiply
    255,039.62x = 351,948.98 × 147,607.50
  4. Step 4: Simplify right side
    255,039.62x = 51,950,308,327.31
  5. Step 5: Solve for x
    x = 51,950,308,327.31/255,039.62
  6. Step 6: Final answer
    x = 203,695.05

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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.