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Finding the Fourth Proportional to 178,152.60, 245,854.13 and 97,580.15

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Solution

The fourth proportional to 178,152.60, 245,854.13 and 97,580.15 is: 134,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,152.60 : 245,854.13 = 97,580.15 : x
  2. Step 2: Convert to fraction form
    178,152.60/245,854.13 = 97,580.15/x
  3. Step 3: Cross multiply
    178,152.60x = 245,854.13 × 97,580.15
  4. Step 4: Simplify right side
    178,152.60x = 23,990,482,883.52
  5. Step 5: Solve for x
    x = 23,990,482,883.52/178,152.60
  6. Step 6: Final answer
    x = 134,662.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.