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Finding the Fourth Proportional to 98,673, 148,031.36 and 46,053.76

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Solution

The fourth proportional to 98,673, 148,031.36 and 46,053.76 is: 69,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,673 : 148,031.36 = 46,053.76 : x
  2. Step 2: Convert to fraction form
    98,673/148,031.36 = 46,053.76/x
  3. Step 3: Cross multiply
    98,673x = 148,031.36 × 46,053.76
  4. Step 4: Simplify right side
    98,673x = 6,817,400,725.91
  5. Step 5: Solve for x
    x = 6,817,400,725.91/98,673
  6. Step 6: Final answer
    x = 69,090.84

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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.