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Finding the Fourth Proportional to 79,970.50, 110,369.04 and 46,436.50

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Solution

The fourth proportional to 79,970.50, 110,369.04 and 46,436.50 is: 64,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,970.50 : 110,369.04 = 46,436.50 : x
  2. Step 2: Convert to fraction form
    79,970.50/110,369.04 = 46,436.50/x
  3. Step 3: Cross multiply
    79,970.50x = 110,369.04 × 46,436.50
  4. Step 4: Simplify right side
    79,970.50x = 5,125,151,925.96
  5. Step 5: Solve for x
    x = 5,125,151,925.96/79,970.50
  6. Step 6: Final answer
    x = 64,088.03

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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.