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Finding the Fourth Proportional to 103,843.31, 143,303.58 and 56,096.51

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Solution

The fourth proportional to 103,843.31, 143,303.58 and 56,096.51 is: 77,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,843.31 : 143,303.58 = 56,096.51 : x
  2. Step 2: Convert to fraction form
    103,843.31/143,303.58 = 56,096.51/x
  3. Step 3: Cross multiply
    103,843.31x = 143,303.58 × 56,096.51
  4. Step 4: Simplify right side
    103,843.31x = 8,038,829,991.99
  5. Step 5: Solve for x
    x = 8,038,829,991.99/103,843.31
  6. Step 6: Final answer
    x = 77,413.08

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1.5x scale

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.