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Finding the Fourth Proportional to 113,808.16, 157,055.24 and 62,820.88

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Solution

The fourth proportional to 113,808.16, 157,055.24 and 62,820.88 is: 86,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,808.16 : 157,055.24 = 62,820.88 : x
  2. Step 2: Convert to fraction form
    113,808.16/157,055.24 = 62,820.88/x
  3. Step 3: Cross multiply
    113,808.16x = 157,055.24 × 62,820.88
  4. Step 4: Simplify right side
    113,808.16x = 9,866,347,482.35
  5. Step 5: Solve for x
    x = 9,866,347,482.35/113,808.16
  6. Step 6: Final answer
    x = 86,692.80

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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.