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Finding the Fourth Proportional to 170,336.95, 235,012.95 and 98,703.13

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Solution

The fourth proportional to 170,336.95, 235,012.95 and 98,703.13 is: 136,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,336.95 : 235,012.95 = 98,703.13 : x
  2. Step 2: Convert to fraction form
    170,336.95/235,012.95 = 98,703.13/x
  3. Step 3: Cross multiply
    170,336.95x = 235,012.95 × 98,703.13
  4. Step 4: Simplify right side
    170,336.95x = 23,196,513,755.53
  5. Step 5: Solve for x
    x = 23,196,513,755.53/170,336.95
  6. Step 6: Final answer
    x = 136,180.16

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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.