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Finding the Fourth Proportional to 98,160.80, 147,130.83 and 49,994.24

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Solution

The fourth proportional to 98,160.80, 147,130.83 and 49,994.24 is: 74,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,160.80 : 147,130.83 = 49,994.24 : x
  2. Step 2: Convert to fraction form
    98,160.80/147,130.83 = 49,994.24/x
  3. Step 3: Cross multiply
    98,160.80x = 147,130.83 × 49,994.24
  4. Step 4: Simplify right side
    98,160.80x = 7,355,693,290.77
  5. Step 5: Solve for x
    x = 7,355,693,290.77/98,160.80
  6. Step 6: Final answer
    x = 74,935.14

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1.5x scale

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.