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Finding the Fourth Proportional to 468,672.32, 703,030.08 and 153,130.88

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Solution

The fourth proportional to 468,672.32, 703,030.08 and 153,130.88 is: 229,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,672.32 : 703,030.08 = 153,130.88 : x
  2. Step 2: Convert to fraction form
    468,672.32/703,030.08 = 153,130.88/x
  3. Step 3: Cross multiply
    468,672.32x = 703,030.08 × 153,130.88
  4. Step 4: Simplify right side
    468,672.32x = 107,655,614,816.87
  5. Step 5: Solve for x
    x = 107,655,614,816.87/468,672.32
  6. Step 6: Final answer
    x = 229,703.38

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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.