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Finding the Fourth Proportional to 210,368.63, 315,552.95 and 52,597.08

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Solution

The fourth proportional to 210,368.63, 315,552.95 and 52,597.08 is: 78,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,368.63 : 315,552.95 = 52,597.08 : x
  2. Step 2: Convert to fraction form
    210,368.63/315,552.95 = 52,597.08/x
  3. Step 3: Cross multiply
    210,368.63x = 315,552.95 × 52,597.08
  4. Step 4: Simplify right side
    210,368.63x = 16,597,163,098.00
  5. Step 5: Solve for x
    x = 16,597,163,098.00/210,368.63
  6. Step 6: Final answer
    x = 78,895.62

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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.