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Finding the Fourth Proportional to 93,387.93, 128,875.06 and 50,946.16

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Solution

The fourth proportional to 93,387.93, 128,875.06 and 50,946.16 is: 70,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,387.93 : 128,875.06 = 50,946.16 : x
  2. Step 2: Convert to fraction form
    93,387.93/128,875.06 = 50,946.16/x
  3. Step 3: Cross multiply
    93,387.93x = 128,875.06 × 50,946.16
  4. Step 4: Simplify right side
    93,387.93x = 6,565,689,426.77
  5. Step 5: Solve for x
    x = 6,565,689,426.77/93,387.93
  6. Step 6: Final answer
    x = 70,305.55

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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.