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Finding the Fourth Proportional to 111,264.54, 153,547.83 and 65,935.16

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Solution

The fourth proportional to 111,264.54, 153,547.83 and 65,935.16 is: 90,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,264.54 : 153,547.83 = 65,935.16 : x
  2. Step 2: Convert to fraction form
    111,264.54/153,547.83 = 65,935.16/x
  3. Step 3: Cross multiply
    111,264.54x = 153,547.83 × 65,935.16
  4. Step 4: Simplify right side
    111,264.54x = 10,124,201,225.03
  5. Step 5: Solve for x
    x = 10,124,201,225.03/111,264.54
  6. Step 6: Final answer
    x = 90,992.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.