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Finding the Fourth Proportional to 212,070.66, 318,156.71 and 62,307.63

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Solution

The fourth proportional to 212,070.66, 318,156.71 and 62,307.63 is: 93,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,070.66 : 318,156.71 = 62,307.63 : x
  2. Step 2: Convert to fraction form
    212,070.66/318,156.71 = 62,307.63/x
  3. Step 3: Cross multiply
    212,070.66x = 318,156.71 × 62,307.63
  4. Step 4: Simplify right side
    212,070.66x = 19,823,590,568.70
  5. Step 5: Solve for x
    x = 19,823,590,568.70/212,070.66
  6. Step 6: Final answer
    x = 93,476.35

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1.5x scale

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.