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Finding the Fourth Proportional to 186,995.51, 258,053.58 and 110,542.16

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Solution

The fourth proportional to 186,995.51, 258,053.58 and 110,542.16 is: 152,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,995.51 : 258,053.58 = 110,542.16 : x
  2. Step 2: Convert to fraction form
    186,995.51/258,053.58 = 110,542.16/x
  3. Step 3: Cross multiply
    186,995.51x = 258,053.58 × 110,542.16
  4. Step 4: Simplify right side
    186,995.51x = 28,525,800,128.93
  5. Step 5: Solve for x
    x = 28,525,800,128.93/186,995.51
  6. Step 6: Final answer
    x = 152,548.05

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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.