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Finding the Fourth Proportional to 69,075.60, 103,109.12 and 59,277.84

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Solution

The fourth proportional to 69,075.60, 103,109.12 and 59,277.84 is: 88,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.60 : 103,109.12 = 59,277.84 : x
  2. Step 2: Convert to fraction form
    69,075.60/103,109.12 = 59,277.84/x
  3. Step 3: Cross multiply
    69,075.60x = 103,109.12 × 59,277.84
  4. Step 4: Simplify right side
    69,075.60x = 6,112,085,917.90
  5. Step 5: Solve for x
    x = 6,112,085,917.90/69,075.60
  6. Step 6: Final answer
    x = 88,484.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.