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Finding the Fourth Proportional to 318,368.96, 477,389.08 and 93,700.21

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Solution

The fourth proportional to 318,368.96, 477,389.08 and 93,700.21 is: 140,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,368.96 : 477,389.08 = 93,700.21 : x
  2. Step 2: Convert to fraction form
    318,368.96/477,389.08 = 93,700.21/x
  3. Step 3: Cross multiply
    318,368.96x = 477,389.08 × 93,700.21
  4. Step 4: Simplify right side
    318,368.96x = 44,731,454,192.26
  5. Step 5: Solve for x
    x = 44,731,454,192.26/318,368.96
  6. Step 6: Final answer
    x = 140,501.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.