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Finding the Fourth Proportional to 201,304.13, 277,803.21 and 110,663.91

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Solution

The fourth proportional to 201,304.13, 277,803.21 and 110,663.91 is: 152,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,304.13 : 277,803.21 = 110,663.91 : x
  2. Step 2: Convert to fraction form
    201,304.13/277,803.21 = 110,663.91/x
  3. Step 3: Cross multiply
    201,304.13x = 277,803.21 × 110,663.91
  4. Step 4: Simplify right side
    201,304.13x = 30,742,788,875.83
  5. Step 5: Solve for x
    x = 30,742,788,875.83/201,304.13
  6. Step 6: Final answer
    x = 152,718.13

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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.