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Finding the Fourth Proportional to 369,925.92, 554,892.73 and 130,046.54

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Solution

The fourth proportional to 369,925.92, 554,892.73 and 130,046.54 is: 195,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,925.92 : 554,892.73 = 130,046.54 : x
  2. Step 2: Convert to fraction form
    369,925.92/554,892.73 = 130,046.54/x
  3. Step 3: Cross multiply
    369,925.92x = 554,892.73 × 130,046.54
  4. Step 4: Simplify right side
    369,925.92x = 72,161,878,480.18
  5. Step 5: Solve for x
    x = 72,161,878,480.18/369,925.92
  6. Step 6: Final answer
    x = 195,071.16

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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.