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Finding the Fourth Proportional to 145,868.63, 218,802.98 and 46,036.63

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Solution

The fourth proportional to 145,868.63, 218,802.98 and 46,036.63 is: 69,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,868.63 : 218,802.98 = 46,036.63 : x
  2. Step 2: Convert to fraction form
    145,868.63/218,802.98 = 46,036.63/x
  3. Step 3: Cross multiply
    145,868.63x = 218,802.98 × 46,036.63
  4. Step 4: Simplify right side
    145,868.63x = 10,072,951,833.16
  5. Step 5: Solve for x
    x = 10,072,951,833.16/145,868.63
  6. Step 6: Final answer
    x = 69,054.96

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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.