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Finding the Fourth Proportional to 178,547.60, 267,821.40 and 73,312.40

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Solution

The fourth proportional to 178,547.60, 267,821.40 and 73,312.40 is: 109,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,547.60 : 267,821.40 = 73,312.40 : x
  2. Step 2: Convert to fraction form
    178,547.60/267,821.40 = 73,312.40/x
  3. Step 3: Cross multiply
    178,547.60x = 267,821.40 × 73,312.40
  4. Step 4: Simplify right side
    178,547.60x = 19,634,629,605.36
  5. Step 5: Solve for x
    x = 19,634,629,605.36/178,547.60
  6. Step 6: Final answer
    x = 109,968.60

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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.