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Finding the Fourth Proportional to 84,075.84, 116,020.08 and 46,347.12

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Solution

The fourth proportional to 84,075.84, 116,020.08 and 46,347.12 is: 63,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,075.84 : 116,020.08 = 46,347.12 : x
  2. Step 2: Convert to fraction form
    84,075.84/116,020.08 = 46,347.12/x
  3. Step 3: Cross multiply
    84,075.84x = 116,020.08 × 46,347.12
  4. Step 4: Simplify right side
    84,075.84x = 5,377,196,570.17
  5. Step 5: Solve for x
    x = 5,377,196,570.17/84,075.84
  6. Step 6: Final answer
    x = 63,956.50

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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.