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Finding the Fourth Proportional to 98,973.99, 148,390.52 and 46,354.77

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Solution

The fourth proportional to 98,973.99, 148,390.52 and 46,354.77 is: 69,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,973.99 : 148,390.52 = 46,354.77 : x
  2. Step 2: Convert to fraction form
    98,973.99/148,390.52 = 46,354.77/x
  3. Step 3: Cross multiply
    98,973.99x = 148,390.52 × 46,354.77
  4. Step 4: Simplify right side
    98,973.99x = 6,878,608,193.01
  5. Step 5: Solve for x
    x = 6,878,608,193.01/98,973.99
  6. Step 6: Final answer
    x = 69,499.15

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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.