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Finding the Fourth Proportional to 255,364.61, 352,389.58 and 146,463.32

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Solution

The fourth proportional to 255,364.61, 352,389.58 and 146,463.32 is: 202,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,364.61 : 352,389.58 = 146,463.32 : x
  2. Step 2: Convert to fraction form
    255,364.61/352,389.58 = 146,463.32/x
  3. Step 3: Cross multiply
    255,364.61x = 352,389.58 × 146,463.32
  4. Step 4: Simplify right side
    255,364.61x = 51,612,148,335.02
  5. Step 5: Solve for x
    x = 51,612,148,335.02/255,364.61
  6. Step 6: Final answer
    x = 202,111.60

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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.