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Finding the Fourth Proportional to 125,802.76, 173,607.80 and 69,214.14

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Solution

The fourth proportional to 125,802.76, 173,607.80 and 69,214.14 is: 95,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,802.76 : 173,607.80 = 69,214.14 : x
  2. Step 2: Convert to fraction form
    125,802.76/173,607.80 = 69,214.14/x
  3. Step 3: Cross multiply
    125,802.76x = 173,607.80 × 69,214.14
  4. Step 4: Simplify right side
    125,802.76x = 12,016,114,574.29
  5. Step 5: Solve for x
    x = 12,016,114,574.29/125,802.76
  6. Step 6: Final answer
    x = 95,515.51

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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.