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Finding the Fourth Proportional to 153,696.04, 230,647.67 and 53,857.13

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Solution

The fourth proportional to 153,696.04, 230,647.67 and 53,857.13 is: 80,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,696.04 : 230,647.67 = 53,857.13 : x
  2. Step 2: Convert to fraction form
    153,696.04/230,647.67 = 53,857.13/x
  3. Step 3: Cross multiply
    153,696.04x = 230,647.67 × 53,857.13
  4. Step 4: Simplify right side
    153,696.04x = 12,422,021,547.39
  5. Step 5: Solve for x
    x = 12,422,021,547.39/153,696.04
  6. Step 6: Final answer
    x = 80,822.00

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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.