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Finding the Fourth Proportional to 153,480.94, 230,254.35 and 86,952.94

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Solution

The fourth proportional to 153,480.94, 230,254.35 and 86,952.94 is: 130,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,480.94 : 230,254.35 = 86,952.94 : x
  2. Step 2: Convert to fraction form
    153,480.94/230,254.35 = 86,952.94/x
  3. Step 3: Cross multiply
    153,480.94x = 230,254.35 × 86,952.94
  4. Step 4: Simplify right side
    153,480.94x = 20,021,292,680.29
  5. Step 5: Solve for x
    x = 20,021,292,680.29/153,480.94
  6. Step 6: Final answer
    x = 130,448.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.