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Finding the Fourth Proportional to 178,045.70, 267,068.55 and 53,386.70

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Solution

The fourth proportional to 178,045.70, 267,068.55 and 53,386.70 is: 80,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045.70 : 267,068.55 = 53,386.70 : x
  2. Step 2: Convert to fraction form
    178,045.70/267,068.55 = 53,386.70/x
  3. Step 3: Cross multiply
    178,045.70x = 267,068.55 × 53,386.70
  4. Step 4: Simplify right side
    178,045.70x = 14,257,908,558.29
  5. Step 5: Solve for x
    x = 14,257,908,558.29/178,045.70
  6. Step 6: Final answer
    x = 80,080.05

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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.