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Finding the Fourth Proportional to 224,842.46, 310,300.28 and 128,050.43

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Solution

The fourth proportional to 224,842.46, 310,300.28 and 128,050.43 is: 176,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,842.46 : 310,300.28 = 128,050.43 : x
  2. Step 2: Convert to fraction form
    224,842.46/310,300.28 = 128,050.43/x
  3. Step 3: Cross multiply
    224,842.46x = 310,300.28 × 128,050.43
  4. Step 4: Simplify right side
    224,842.46x = 39,734,082,091.37
  5. Step 5: Solve for x
    x = 39,734,082,091.37/224,842.46
  6. Step 6: Final answer
    x = 176,719.66

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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.