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Finding the Fourth Proportional to 93,386.90, 128,874.22 and 50,946.32

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Solution

The fourth proportional to 93,386.90, 128,874.22 and 50,946.32 is: 70,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,386.90 : 128,874.22 = 50,946.32 : x
  2. Step 2: Convert to fraction form
    93,386.90/128,874.22 = 50,946.32/x
  3. Step 3: Cross multiply
    93,386.90x = 128,874.22 × 50,946.32
  4. Step 4: Simplify right side
    93,386.90x = 6,565,666,480.13
  5. Step 5: Solve for x
    x = 6,565,666,480.13/93,386.90
  6. Step 6: Final answer
    x = 70,306.08

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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.