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Finding the Fourth Proportional to 178,368.64, 267,580.60 and 60,030.76

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Solution

The fourth proportional to 178,368.64, 267,580.60 and 60,030.76 is: 90,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,368.64 : 267,580.60 = 60,030.76 : x
  2. Step 2: Convert to fraction form
    178,368.64/267,580.60 = 60,030.76/x
  3. Step 3: Cross multiply
    178,368.64x = 267,580.60 × 60,030.76
  4. Step 4: Simplify right side
    178,368.64x = 16,063,066,779.26
  5. Step 5: Solve for x
    x = 16,063,066,779.26/178,368.64
  6. Step 6: Final answer
    x = 90,055.44

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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.