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Finding the Fourth Proportional to 94,597.32, 130,530.08 and 54,312.78

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Solution

The fourth proportional to 94,597.32, 130,530.08 and 54,312.78 is: 74,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,597.32 : 130,530.08 = 54,312.78 : x
  2. Step 2: Convert to fraction form
    94,597.32/130,530.08 = 54,312.78/x
  3. Step 3: Cross multiply
    94,597.32x = 130,530.08 × 54,312.78
  4. Step 4: Simplify right side
    94,597.32x = 7,089,451,518.42
  5. Step 5: Solve for x
    x = 7,089,451,518.42/94,597.32
  6. Step 6: Final answer
    x = 74,943.47

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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.