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Finding the Fourth Proportional to 93,223.65, 128,657.93 and 56,923.10

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Solution

The fourth proportional to 93,223.65, 128,657.93 and 56,923.10 is: 78,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.65 : 128,657.93 = 56,923.10 : x
  2. Step 2: Convert to fraction form
    93,223.65/128,657.93 = 56,923.10/x
  3. Step 3: Cross multiply
    93,223.65x = 128,657.93 × 56,923.10
  4. Step 4: Simplify right side
    93,223.65x = 7,323,608,215.18
  5. Step 5: Solve for x
    x = 7,323,608,215.18/93,223.65
  6. Step 6: Final answer
    x = 78,559.55

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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.