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Finding the Fourth Proportional to 153,801.70, 214,797.50 and 153,801.70

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Solution

The fourth proportional to 153,801.70, 214,797.50 and 153,801.70 is: 214,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,801.70 : 214,797.50 = 153,801.70 : x
  2. Step 2: Convert to fraction form
    153,801.70/214,797.50 = 153,801.70/x
  3. Step 3: Cross multiply
    153,801.70x = 214,797.50 × 153,801.70
  4. Step 4: Simplify right side
    153,801.70x = 33,036,220,655.75
  5. Step 5: Solve for x
    x = 33,036,220,655.75/153,801.70
  6. Step 6: Final answer
    x = 214,797.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.