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Finding the Fourth Proportional to 139,574.40, 209,277.32 and 62,623.35

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Solution

The fourth proportional to 139,574.40, 209,277.32 and 62,623.35 is: 93,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,574.40 : 209,277.32 = 62,623.35 : x
  2. Step 2: Convert to fraction form
    139,574.40/209,277.32 = 62,623.35/x
  3. Step 3: Cross multiply
    139,574.40x = 209,277.32 × 62,623.35
  4. Step 4: Simplify right side
    139,574.40x = 13,105,646,544.31
  5. Step 5: Solve for x
    x = 13,105,646,544.31/139,574.40
  6. Step 6: Final answer
    x = 93,897.21

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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.