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Finding the Fourth Proportional to 157,009.84, 216,597.44 and 93,302.56

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Solution

The fourth proportional to 157,009.84, 216,597.44 and 93,302.56 is: 128,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,009.84 : 216,597.44 = 93,302.56 : x
  2. Step 2: Convert to fraction form
    157,009.84/216,597.44 = 93,302.56/x
  3. Step 3: Cross multiply
    157,009.84x = 216,597.44 × 93,302.56
  4. Step 4: Simplify right side
    157,009.84x = 20,209,095,641.45
  5. Step 5: Solve for x
    x = 20,209,095,641.45/157,009.84
  6. Step 6: Final answer
    x = 128,712.29

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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.