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Finding the Fourth Proportional to 93,243.80, 128,677.92 and 50,802.32

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Solution

The fourth proportional to 93,243.80, 128,677.92 and 50,802.32 is: 70,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,243.80 : 128,677.92 = 50,802.32 : x
  2. Step 2: Convert to fraction form
    93,243.80/128,677.92 = 50,802.32/x
  3. Step 3: Cross multiply
    93,243.80x = 128,677.92 × 50,802.32
  4. Step 4: Simplify right side
    93,243.80x = 6,537,136,868.77
  5. Step 5: Solve for x
    x = 6,537,136,868.77/93,243.80
  6. Step 6: Final answer
    x = 70,108.01

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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.