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Finding the Fourth Proportional to 170,383.34, 235,130.64 and 93,905.22

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Solution

The fourth proportional to 170,383.34, 235,130.64 and 93,905.22 is: 129,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,383.34 : 235,130.64 = 93,905.22 : x
  2. Step 2: Convert to fraction form
    170,383.34/235,130.64 = 93,905.22/x
  3. Step 3: Cross multiply
    170,383.34x = 235,130.64 × 93,905.22
  4. Step 4: Simplify right side
    170,383.34x = 22,079,994,477.94
  5. Step 5: Solve for x
    x = 22,079,994,477.94/170,383.34
  6. Step 6: Final answer
    x = 129,590.10

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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.