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Finding the Fourth Proportional to 99,814.44, 148,613.19 and 98,419.44

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Solution

The fourth proportional to 99,814.44, 148,613.19 and 98,419.44 is: 146,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,814.44 : 148,613.19 = 98,419.44 : x
  2. Step 2: Convert to fraction form
    99,814.44/148,613.19 = 98,419.44/x
  3. Step 3: Cross multiply
    99,814.44x = 148,613.19 × 98,419.44
  4. Step 4: Simplify right side
    99,814.44x = 14,626,426,936.41
  5. Step 5: Solve for x
    x = 14,626,426,936.41/99,814.44
  6. Step 6: Final answer
    x = 146,536.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.