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Finding the Fourth Proportional to 180,502.39, 249,083.82 and 98,814.98

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Solution

The fourth proportional to 180,502.39, 249,083.82 and 98,814.98 is: 136,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,502.39 : 249,083.82 = 98,814.98 : x
  2. Step 2: Convert to fraction form
    180,502.39/249,083.82 = 98,814.98/x
  3. Step 3: Cross multiply
    180,502.39x = 249,083.82 × 98,814.98
  4. Step 4: Simplify right side
    180,502.39x = 24,613,212,691.62
  5. Step 5: Solve for x
    x = 24,613,212,691.62/180,502.39
  6. Step 6: Final answer
    x = 136,359.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.