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Finding the Fourth Proportional to 229,533.76, 316,756.08 and 127,558.88

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Solution

The fourth proportional to 229,533.76, 316,756.08 and 127,558.88 is: 176,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,533.76 : 316,756.08 = 127,558.88 : x
  2. Step 2: Convert to fraction form
    229,533.76/316,756.08 = 127,558.88/x
  3. Step 3: Cross multiply
    229,533.76x = 316,756.08 × 127,558.88
  4. Step 4: Simplify right side
    229,533.76x = 40,405,050,797.99
  5. Step 5: Solve for x
    x = 40,405,050,797.99/229,533.76
  6. Step 6: Final answer
    x = 176,030.97

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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.