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Finding the Fourth Proportional to 192,312.17, 265,302.59 and 111,724.62

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Solution

The fourth proportional to 192,312.17, 265,302.59 and 111,724.62 is: 154,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,312.17 : 265,302.59 = 111,724.62 : x
  2. Step 2: Convert to fraction form
    192,312.17/265,302.59 = 111,724.62/x
  3. Step 3: Cross multiply
    192,312.17x = 265,302.59 × 111,724.62
  4. Step 4: Simplify right side
    192,312.17x = 29,640,830,127.71
  5. Step 5: Solve for x
    x = 29,640,830,127.71/192,312.17
  6. Step 6: Final answer
    x = 154,128.72

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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.