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Finding the Fourth Proportional to 303,547.20, 455,370.06 and 114,022.32

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Solution

The fourth proportional to 303,547.20, 455,370.06 and 114,022.32 is: 171,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,547.20 : 455,370.06 = 114,022.32 : x
  2. Step 2: Convert to fraction form
    303,547.20/455,370.06 = 114,022.32/x
  3. Step 3: Cross multiply
    303,547.20x = 455,370.06 × 114,022.32
  4. Step 4: Simplify right side
    303,547.20x = 51,922,350,699.74
  5. Step 5: Solve for x
    x = 51,922,350,699.74/303,547.20
  6. Step 6: Final answer
    x = 171,051.98

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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.