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Finding the Fourth Proportional to 84,482.34, 116,422.26 and 64,307.26

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Solution

The fourth proportional to 84,482.34, 116,422.26 and 64,307.26 is: 88,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,482.34 : 116,422.26 = 64,307.26 : x
  2. Step 2: Convert to fraction form
    84,482.34/116,422.26 = 64,307.26/x
  3. Step 3: Cross multiply
    84,482.34x = 116,422.26 × 64,307.26
  4. Step 4: Simplify right side
    84,482.34x = 7,486,796,543.61
  5. Step 5: Solve for x
    x = 7,486,796,543.61/84,482.34
  6. Step 6: Final answer
    x = 88,619.66

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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.