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Finding the Fourth Proportional to 171,001.60, 256,210.80 and 141,258.40

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Solution

The fourth proportional to 171,001.60, 256,210.80 and 141,258.40 is: 211,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,001.60 : 256,210.80 = 141,258.40 : x
  2. Step 2: Convert to fraction form
    171,001.60/256,210.80 = 141,258.40/x
  3. Step 3: Cross multiply
    171,001.60x = 256,210.80 × 141,258.40
  4. Step 4: Simplify right side
    171,001.60x = 36,191,927,670.72
  5. Step 5: Solve for x
    x = 36,191,927,670.72/171,001.60
  6. Step 6: Final answer
    x = 211,646.72

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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.