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Finding the Fourth Proportional to 180,501.89, 249,083.13 and 98,814.48

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Solution

The fourth proportional to 180,501.89, 249,083.13 and 98,814.48 is: 136,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,501.89 : 249,083.13 = 98,814.48 : x
  2. Step 2: Convert to fraction form
    180,501.89/249,083.13 = 98,814.48/x
  3. Step 3: Cross multiply
    180,501.89x = 249,083.13 × 98,814.48
  4. Step 4: Simplify right side
    180,501.89x = 24,613,019,967.72
  5. Step 5: Solve for x
    x = 24,613,019,967.72/180,501.89
  6. Step 6: Final answer
    x = 136,358.80

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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.