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Finding the Fourth Proportional to 70,475.75, 97,307.58 and 45,368.99

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Solution

The fourth proportional to 70,475.75, 97,307.58 and 45,368.99 is: 62,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,475.75 : 97,307.58 = 45,368.99 : x
  2. Step 2: Convert to fraction form
    70,475.75/97,307.58 = 45,368.99/x
  3. Step 3: Cross multiply
    70,475.75x = 97,307.58 × 45,368.99
  4. Step 4: Simplify right side
    70,475.75x = 4,414,746,623.94
  5. Step 5: Solve for x
    x = 4,414,746,623.94/70,475.75
  6. Step 6: Final answer
    x = 62,642.07

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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.