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Finding the Fourth Proportional to 70,692, 97,577.72 and 45,266.88

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Solution

The fourth proportional to 70,692, 97,577.72 and 45,266.88 is: 62,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692 : 97,577.72 = 45,266.88 : x
  2. Step 2: Convert to fraction form
    70,692/97,577.72 = 45,266.88/x
  3. Step 3: Cross multiply
    70,692x = 97,577.72 × 45,266.88
  4. Step 4: Simplify right side
    70,692x = 4,417,038,941.91
  5. Step 5: Solve for x
    x = 4,417,038,941.91/70,692
  6. Step 6: Final answer
    x = 62,482.87

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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.