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Finding the Fourth Proportional to 93,312,301.60, 139,968,452.40 and 70,637,485.60

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Solution

The fourth proportional to 93,312,301.60, 139,968,452.40 and 70,637,485.60 is: 105,956,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,301.60 : 139,968,452.40 = 70,637,485.60 : x
  2. Step 2: Convert to fraction form
    93,312,301.60/139,968,452.40 = 70,637,485.60/x
  3. Step 3: Cross multiply
    93,312,301.60x = 139,968,452.40 × 70,637,485.60
  4. Step 4: Simplify right side
    93,312,301.60x = 9,887,019,540,859,286
  5. Step 5: Solve for x
    x = 9,887,019,540,859,286/93,312,301.60
  6. Step 6: Final answer
    x = 105,956,228.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.