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Finding the Fourth Proportional to 114,764.64, 158,329.88 and 66,357.74

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Solution

The fourth proportional to 114,764.64, 158,329.88 and 66,357.74 is: 91,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,764.64 : 158,329.88 = 66,357.74 : x
  2. Step 2: Convert to fraction form
    114,764.64/158,329.88 = 66,357.74/x
  3. Step 3: Cross multiply
    114,764.64x = 158,329.88 × 66,357.74
  4. Step 4: Simplify right side
    114,764.64x = 10,506,411,887.83
  5. Step 5: Solve for x
    x = 10,506,411,887.83/114,764.64
  6. Step 6: Final answer
    x = 91,547.47

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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.