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Finding the Fourth Proportional to 104,398.80, 144,068.32 and 59,075.94

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Solution

The fourth proportional to 104,398.80, 144,068.32 and 59,075.94 is: 81,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,398.80 : 144,068.32 = 59,075.94 : x
  2. Step 2: Convert to fraction form
    104,398.80/144,068.32 = 59,075.94/x
  3. Step 3: Cross multiply
    104,398.80x = 144,068.32 × 59,075.94
  4. Step 4: Simplify right side
    104,398.80x = 8,510,971,428.22
  5. Step 5: Solve for x
    x = 8,510,971,428.22/104,398.80
  6. Step 6: Final answer
    x = 81,523.65

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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.