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Finding the Fourth Proportional to 92,802.14, 128,070.58 and 51,410.20

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Solution

The fourth proportional to 92,802.14, 128,070.58 and 51,410.20 is: 70,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,802.14 : 128,070.58 = 51,410.20 : x
  2. Step 2: Convert to fraction form
    92,802.14/128,070.58 = 51,410.20/x
  3. Step 3: Cross multiply
    92,802.14x = 128,070.58 × 51,410.20
  4. Step 4: Simplify right side
    92,802.14x = 6,584,133,683.21
  5. Step 5: Solve for x
    x = 6,584,133,683.21/92,802.14
  6. Step 6: Final answer
    x = 70,948.08

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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.