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Finding the Fourth Proportional to 253,677.69, 350,077.79 and 153,056.25

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Solution

The fourth proportional to 253,677.69, 350,077.79 and 153,056.25 is: 211,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,677.69 : 350,077.79 = 153,056.25 : x
  2. Step 2: Convert to fraction form
    253,677.69/350,077.79 = 153,056.25/x
  3. Step 3: Cross multiply
    253,677.69x = 350,077.79 × 153,056.25
  4. Step 4: Simplify right side
    253,677.69x = 53,581,592,980.41
  5. Step 5: Solve for x
    x = 53,581,592,980.41/253,677.69
  6. Step 6: Final answer
    x = 211,219.18

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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.