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Finding the Fourth Proportional to 153,699.66, 230,574.06 and 64,953.90

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Solution

The fourth proportional to 153,699.66, 230,574.06 and 64,953.90 is: 97,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,699.66 : 230,574.06 = 64,953.90 : x
  2. Step 2: Convert to fraction form
    153,699.66/230,574.06 = 64,953.90/x
  3. Step 3: Cross multiply
    153,699.66x = 230,574.06 × 64,953.90
  4. Step 4: Simplify right side
    153,699.66x = 14,976,684,435.83
  5. Step 5: Solve for x
    x = 14,976,684,435.83/153,699.66
  6. Step 6: Final answer
    x = 97,441.23

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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.