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Finding the Fourth Proportional to 102,317.60, 153,476.40 and 97,724.90

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Solution

The fourth proportional to 102,317.60, 153,476.40 and 97,724.90 is: 146,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,317.60 : 153,476.40 = 97,724.90 : x
  2. Step 2: Convert to fraction form
    102,317.60/153,476.40 = 97,724.90/x
  3. Step 3: Cross multiply
    102,317.60x = 153,476.40 × 97,724.90
  4. Step 4: Simplify right side
    102,317.60x = 14,998,465,842.36
  5. Step 5: Solve for x
    x = 14,998,465,842.36/102,317.60
  6. Step 6: Final answer
    x = 146,587.35

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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.