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Finding the Fourth Proportional to 229,313.42, 316,559.31 and 152,959.58

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Solution

The fourth proportional to 229,313.42, 316,559.31 and 152,959.58 is: 211,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,313.42 : 316,559.31 = 152,959.58 : x
  2. Step 2: Convert to fraction form
    229,313.42/316,559.31 = 152,959.58/x
  3. Step 3: Cross multiply
    229,313.42x = 316,559.31 × 152,959.58
  4. Step 4: Simplify right side
    229,313.42x = 48,420,779,102.69
  5. Step 5: Solve for x
    x = 48,420,779,102.69/229,313.42
  6. Step 6: Final answer
    x = 211,155.45

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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.