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Finding the Fourth Proportional to 70,482.95, 97,172.36 and 55,995.20

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Solution

The fourth proportional to 70,482.95, 97,172.36 and 55,995.20 is: 77,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,482.95 : 97,172.36 = 55,995.20 : x
  2. Step 2: Convert to fraction form
    70,482.95/97,172.36 = 55,995.20/x
  3. Step 3: Cross multiply
    70,482.95x = 97,172.36 × 55,995.20
  4. Step 4: Simplify right side
    70,482.95x = 5,441,184,966.83
  5. Step 5: Solve for x
    x = 5,441,184,966.83/70,482.95
  6. Step 6: Final answer
    x = 77,198.60

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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.