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Finding the Fourth Proportional to 153,505.82, 211,781.84 and 93,032.84

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Solution

The fourth proportional to 153,505.82, 211,781.84 and 93,032.84 is: 128,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,505.82 : 211,781.84 = 93,032.84 : x
  2. Step 2: Convert to fraction form
    153,505.82/211,781.84 = 93,032.84/x
  3. Step 3: Cross multiply
    153,505.82x = 211,781.84 × 93,032.84
  4. Step 4: Simplify right side
    153,505.82x = 19,702,666,035.63
  5. Step 5: Solve for x
    x = 19,702,666,035.63/153,505.82
  6. Step 6: Final answer
    x = 128,351.26

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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.