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Finding the Fourth Proportional to 170,612.98, 235,409.40 and 98,024.76

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Solution

The fourth proportional to 170,612.98, 235,409.40 and 98,024.76 is: 135,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,612.98 : 235,409.40 = 98,024.76 : x
  2. Step 2: Convert to fraction form
    170,612.98/235,409.40 = 98,024.76/x
  3. Step 3: Cross multiply
    170,612.98x = 235,409.40 × 98,024.76
  4. Step 4: Simplify right side
    170,612.98x = 23,075,949,936.74
  5. Step 5: Solve for x
    x = 23,075,949,936.74/170,612.98
  6. Step 6: Final answer
    x = 135,253.19

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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.