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Finding the Fourth Proportional to 224,544.76, 309,897.90 and 127,783.68

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Solution

The fourth proportional to 224,544.76, 309,897.90 and 127,783.68 is: 176,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,544.76 : 309,897.90 = 127,783.68 : x
  2. Step 2: Convert to fraction form
    224,544.76/309,897.90 = 127,783.68/x
  3. Step 3: Cross multiply
    224,544.76x = 309,897.90 × 127,783.68
  4. Step 4: Simplify right side
    224,544.76x = 39,599,892,924.15
  5. Step 5: Solve for x
    x = 39,599,892,924.15/224,544.76
  6. Step 6: Final answer
    x = 176,356.35

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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.