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Finding the Fourth Proportional to 153,038.70, 229,558.05 and 111,566.70

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Solution

The fourth proportional to 153,038.70, 229,558.05 and 111,566.70 is: 167,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,038.70 : 229,558.05 = 111,566.70 : x
  2. Step 2: Convert to fraction form
    153,038.70/229,558.05 = 111,566.70/x
  3. Step 3: Cross multiply
    153,038.70x = 229,558.05 × 111,566.70
  4. Step 4: Simplify right side
    153,038.70x = 25,611,034,096.94
  5. Step 5: Solve for x
    x = 25,611,034,096.94/153,038.70
  6. Step 6: Final answer
    x = 167,350.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.