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Finding the Fourth Proportional to 170,155, 234,809.74 and 93,673.48

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Solution

The fourth proportional to 170,155, 234,809.74 and 93,673.48 is: 129,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,155 : 234,809.74 = 93,673.48 : x
  2. Step 2: Convert to fraction form
    170,155/234,809.74 = 93,673.48/x
  3. Step 3: Cross multiply
    170,155x = 234,809.74 × 93,673.48
  4. Step 4: Simplify right side
    170,155x = 21,995,445,483.70
  5. Step 5: Solve for x
    x = 21,995,445,483.70/170,155
  6. Step 6: Final answer
    x = 129,267.11

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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.