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Finding the Fourth Proportional to 255,153.32, 352,088.70 and 147,730.62

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Solution

The fourth proportional to 255,153.32, 352,088.70 and 147,730.62 is: 203,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,153.32 : 352,088.70 = 147,730.62 : x
  2. Step 2: Convert to fraction form
    255,153.32/352,088.70 = 147,730.62/x
  3. Step 3: Cross multiply
    255,153.32x = 352,088.70 × 147,730.62
  4. Step 4: Simplify right side
    255,153.32x = 52,014,281,945.99
  5. Step 5: Solve for x
    x = 52,014,281,945.99/255,153.32
  6. Step 6: Final answer
    x = 203,855.01

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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.